165 relations: Acetone, Acid, Acid anhydride, Acid dissociation constant, Acyl halide, Acylation, Aktion T4, Alcohol, Aliphatic compound, Alkoxy group, Alkylation, Alkylphenol, Amide, Amine, Aniline, Anisole, Annals of Emergency Medicine, Antiseptic, Aqueous solution, Arene substitution pattern, Aromatic sulfonation, Aromaticity, Aspirin, Auguste Laurent, Auschwitz concentration camp, Bakelite, Bamberger rearrangement, Bayer, Benzene, Benzenesulfonic acid, Benzoic acid, Benzoyl chloride, Bisphenol A, Boron trifluoride, Canadian Journal of Chemistry, Cancer, Carbolic soap, Carbon dioxide, Carbonic acid, Carlill v Carbolic Smoke Ball Co, Carmex, Castoreum, Centers for Disease Control and Prevention, Charles Frédéric Gerhardt, Chemical burn, Chemical formula, Chloraseptic, Chlorobenzene, Claisen rearrangement, Coal, ..., Coal tar, Coma, Commodity, Compound annual growth rate, Condensation reaction, Cosmetics, Cresol, Cryptanaerobacter phenolicus, Crystal, Cumene, Cumene process, Cyclohexanone, Debye, Derivative (chemistry), Dermatitis, Detergent, Diazomethane, DNA, Dow Chemical Company, Dow process, Drugs.com, Edema, Electrophilic aromatic substitution, Elephant, Embalming, Enol, Epileptic seizure, Epoxy, Ethoxylation, ExxonMobil, Formaldehyde, Franciszek Gajowniczek, Friedlieb Ferdinand Runge, Fries rearrangement, Hair coloring, Halogenation, Heart arrhythmia, Herbicide, Hospital, Human skin, Hydrogenation, Hydrophobe, Hydroxy group, Inductive effect, Ion, Islay whisky, Isopropyl alcohol, Joseph Lister, Journal of Organic Chemistry, Keto–enol tautomerism, Kidney, Liquid–liquid extraction, Liver, Maximilian Kolbe, Medication, Merck & Co., Molar concentration, Molecular biology, Monsanto, Musth, Nazism, Nitrous oxide, Nonylphenol, Nucleic acid, Nucleophile, Nylon, Orbital hybridisation, Organic compound, Organic peroxide, Organic Syntheses, P-Cresol, Paint stripper, Parts-per notation, Petrochemical industry, Petroleum, Pharyngitis, Phenol formaldehyde resin, Phenol–chloroform extraction, Phenoxy herbicide, Phenyl group, Pi bond, Picric acid, Plastic, Polycarbonate, Polyethylene glycol, Polyphenol, Precursor (chemistry), Radical (chemistry), Raschig–Hooker process, Reaction intermediate, Redox, Resonance (chemistry), Rhodococcus phenolicus, RNA, Royal Society of Chemistry, Schotten–Baumann reaction, Skin whitening, Sodium bicarbonate, Sodium carbonate, Sodium hydroxide, Sodium phenoxide, Solid, Solubility, Solvation, Sunscreen, Surgical treatment of ingrown toenails, TCP (antiseptic), Temporin, Thiophenol, Toluene, Vaccine, Volatility (chemistry), World War II, Zinc, 4-Hydroxybenzoic acid. Expand index (115 more) » « Shrink index
Acetone (systematically named propanone) is the organic compound with the formula (CH3)2CO.
An acid is a molecule or ion capable of donating a hydron (proton or hydrogen ion H+), or, alternatively, capable of forming a covalent bond with an electron pair (a Lewis acid).
An acid anhydride is formed when two acid structures combine with loss of a water molecule.
An acid dissociation constant, Ka, (also known as acidity constant, or acid-ionization constant) is a quantitative measure of the strength of an acid in solution.
An acyl halide (also known as an acid halide) is a chemical compound derived from an oxoacid by replacing a hydroxyl group with a halide group.
In chemistry, acylation (rarely, but more formally: alkanoylation) is the process of adding an acyl group to a compound.
Aktion T4 (German) was a postwar name for mass murder through involuntary euthanasia in Nazi Germany.
In chemistry, an alcohol is any organic compound in which the hydroxyl functional group (–OH) is bound to a carbon.
In organic chemistry, hydrocarbons (compounds composed of carbon and hydrogen) are divided into two classes: aromatic compounds and aliphatic compounds (G. aleiphar, fat, oil) also known as non-aromatic compounds.
In chemistry, the alkoxy group is an alkyl (carbon and hydrogen chain) group singularly bonded to oxygen; thus R–O.
Alkylation is the transfer of an alkyl group from one molecule to another.
Alkylphenols are a family of organic compounds obtained by the alkylation of phenols.
An amide (or or), also known as an acid amide, is a compound with the functional group RnE(O)xNR′2 (R and R′ refer to H or organic groups).
In organic chemistry, amines are compounds and functional groups that contain a basic nitrogen atom with a lone pair.
Aniline is an organic compound with the formula C6H5NH2.
Anisole, or methoxybenzene, is an organic compound with the formula CH3OC6H5.
The Annals of Emergency Medicine is a monthly peer-reviewed medical journal covering all aspects of emergency medicine care.
Antiseptics (from Greek ἀντί anti, "against" and σηπτικός sēptikos, "putrefactive") are antimicrobial substances that are applied to living tissue/skin to reduce the possibility of infection, sepsis, or putrefaction.
An aqueous solution is a solution in which the solvent is water.
Arene substitution patterns are part of organic chemistry IUPAC nomenclature and pinpoint the position of substituents other than hydrogen in relation to each other on an aromatic hydrocarbon.
Aromatic sulfonation is an organic reaction in which a hydrogen atom on an arene is replaced by a sulfonic acid functional group in an electrophilic aromatic substitution.
In organic chemistry, the term aromaticity is used to describe a cyclic (ring-shaped), planar (flat) molecule with a ring of resonance bonds that exhibits more stability than other geometric or connective arrangements with the same set of atoms.
Aspirin, also known as acetylsalicylic acid (ASA), is a medication used to treat pain, fever, or inflammation.
Auguste Laurent (14 November 1807 – 15 April 1853) was a French chemist who helped in the founding of organic chemistry with his discoveries of anthracene, phthalic acid, and carbolic acid.
Auschwitz concentration camp was a network of concentration and extermination camps built and operated by Nazi Germany in occupied Poland during World War II.
Bakelite (sometimes spelled Baekelite), or polyoxybenzylmethylenglycolanhydride, is the first plastic made from synthetic components.
The Bamberger rearrangement is the chemical reaction of phenylhydroxylamines with strong aqueous acid, which will rearrange to give 4-aminophenols.
Bayer AG is a German multinational, pharmaceutical and life sciences company.
Benzene is an important organic chemical compound with the chemical formula C6H6.
Benzenesulfonic acid (conjugate base benzenesulfonate) is an organosulfur compound with the formula C6H5SO3H.
Benzoic acid, C7H6O2 (or C6H5COOH), is a colorless crystalline solid and a simple aromatic carboxylic acid.
Benzoyl chloride, also known as benzenecarbonyl chloride, is an organochlorine compound with the formula C6H5COCl.
Bisphenol A (BPA) is an organic synthetic compound with the chemical formula (CH3)2C(C6H4OH)2 belonging to the group of diphenylmethane derivatives and bisphenols, with two hydroxyphenyl groups.
Boron trifluoride is the inorganic compound with the formula BF3.
The Canadian Journal of Chemistry (fr. Revue canadienne de chimie) is a peer-reviewed scientific journal published by NRC Research Press.
Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body.
Carbolic soap is a mildly antiseptic soap containing carbolic acid and/or cresylic acid, both of which are phenols derived from either coal tar or petroleum sources.
Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.
Carbonic acid is a chemical compound with the chemical formula H2CO3 (equivalently OC(OH)2).
Carlill v Carbolic Smoke Ball Company is an English contract law decision by the Court of Appeal, which held an advertisement containing certain terms to get a reward constituted a binding unilateral offer that could be accepted by anyone who performed its terms.
Carmex is a brand of lip balm produced by Carma Laboratories, Inc.
Castoreum is the exudate from the castor sacs of the mature North American beaver (Castor canadensis) and the European beaver (Castor fiber).
The Centers for Disease Control and Prevention (CDC) is the leading national public health institute of the United States.
Charles Frédéric Gerhardt (21 August 1816 – 19 August 1856) was a French chemist.
A chemical burn occurs when living tissue is exposed to a corrosive substance such as a strong acid or base.
A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
Chloraseptic is an American brand of oral analgesic produced by Prestige Brands Inc, used for the relief of minor sore throat and mouth pain.
Chlorobenzene is an aromatic organic compound with the chemical formula C6H5Cl.
The Claisen rearrangement (not to be confused with the Claisen condensation) is a powerful carbon–carbon bond-forming chemical reaction discovered by Rainer Ludwig Claisen.
Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams.
Coal tar is a thick dark liquid which is a by-product of the production of coke and coal gas from coal.
Coma is a state of unconsciousness in which a person cannot be awaken; fails to respond normally to painful stimuli, light, or sound; lacks a normal wake-sleep cycle; and does not initiate voluntary actions.
In economics, a commodity is an economic good or service that has full or substantial fungibility: that is, the market treats instances of the good as equivalent or nearly so with no regard to who produced them.
Compound annual growth rate (CAGR) is a business and investing specific term for the geometric progression ratio that provides a constant rate of return over the time period.
A condensation reaction is a class of an organic addition reaction that proceeds in a step-wise fashion to produce the addition product, usually in equilibrium, and a water molecule (hence named condensation).
Cosmetics are substances or products used to enhance or alter the appearance of the face or fragrance and texture of the body.
Cresols (also hydroxytoluene) are organic compounds which are methylphenols.
Cryptanaerobacter phenolicus is a gram-positive anaerobic bacterial species in the genus Cryptanaerobacter.
A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.
Cumene is the common name for isopropylbenzene, an organic compound that is based on an aromatic hydrocarbon with an aliphatic substitution.
The cumene process (cumene-phenol process, Hock process) is an industrial process for developing phenol and acetone from benzene and propylene.
Cyclohexanone is the organic compound with the formula (CH2)5CO.
The debye (symbol: D) is a CGS unit (a non-SI metric unit) of electric dipole momentElectric dipole moment is defined as charge times displacement: |- |height.
In chemistry, a derivative is a compound that is derived from a similar compound by a chemical reaction.
Dermatitis, also known as eczema, is a group of diseases that results in inflammation of the skin.
A detergent is a surfactant or a mixture of surfactants with cleaning properties in dilute solutions.
Diazomethane is the chemical compound CH2N2, discovered by German chemist Hans von Pechmann in 1894.
Deoxyribonucleic acid (DNA) is a thread-like chain of nucleotides carrying the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.
The Dow Chemical Company, commonly referred to as Dow, is an American multinational chemical corporation headquartered in Midland, Michigan, United States, and the predecessor of the merged company DowDuPont.
The Dow process is the electrolytic method of bromine extraction from brine, and was Herbert Henry Dow's second revolutionary process for generating bromine commercially.
Drugs.com is an online pharmaceutical encyclopedia which provides drug information for consumers and healthcare professionals, primarily in the USA.
Edema, also spelled oedema or œdema, is an abnormal accumulation of fluid in the interstitium, located beneath the skin and in the cavities of the body, which can cause severe pain.
Electrophilic aromatic substitution is an organic reaction in which an atom that is attached to an aromatic system (usually hydrogen) is replaced by an electrophile.
Elephants are large mammals of the family Elephantidae and the order Proboscidea.
Embalming is the art and science of preserving human remains by treating them (in its modern form with chemicals) to forestall decomposition.
Enols, or more formally, alkenols, are a type of reactive structure or intermediate in organic chemistry that is represented as an alkene (olefin) with a hydroxyl group attached to one end of the alkene double bond.
An epileptic seizure is a brief episode of signs or symptoms due to abnormally excessive or synchronous neuronal activity in the brain.
Epoxy is either any of the basic components or the cured end products of epoxy resins, as well as a colloquial name for the epoxide functional group.
Ethoxylation is a chemical reaction in which ethylene oxide adds to a substrate.
Exxon Mobil Corporation, doing business as ExxonMobil, is an American multinational oil and gas corporation headquartered in Irving, Texas.
Franciszek Gajowniczek (15 November 1901 – 13 March 1995)David Binder.
Friedlieb (or Friedlob, occasionally misnamed as "Friedrich") Ferdinand Runge (born near Hamburg on 8 February 1794, died in Oranienburg on 25 March 1867) was a German analytical chemist.
The Fries rearrangement reaction is one of the important reactions in organic chemistry.
Hair coloring, or hair dyeing, is the practice of changing the hair color.
Halogenation is a chemical reaction that involves the addition of one or more halogens to a compound or material.
Heart arrhythmia (also known as arrhythmia, dysrhythmia, or irregular heartbeat) is a group of conditions in which the heartbeat is irregular, too fast, or too slow.
Herbicides, also commonly known as weedkillers, are chemical substances used to control unwanted plants.
A hospital is a health care institution providing patient treatment with specialized medical and nursing staff and medical equipment.
The human skin is the outer covering of the body.
Hydrogenation – to treat with hydrogen – is a chemical reaction between molecular hydrogen (H2) and another compound or element, usually in the presence of a catalyst such as nickel, palladium or platinum.
In chemistry, hydrophobicity is the physical property of a molecule (known as a hydrophobe) that is seemingly repelled from a mass of water.
A hydroxy or hydroxyl group is the entity with the formula OH.
In chemistry and physics, the inductive effect is an experimentally observed effect of the transmission of charge through a chain of atoms in a molecule, resulting in a permanent dipole in a bond.
An ion is an atom or molecule that has a non-zero net electrical charge (its total number of electrons is not equal to its total number of protons).
Islay whisky is Scotch whisky made on Islay or Ìle in Gaelic, one of the southernmost of the Inner Hebridean Islands located off the west coast of Scotland.
Isopropyl alcohol (IUPAC name propan-2-ol; commonly called isopropanol) is a compound with the chemical formula C3H8O.
Joseph Lister, 1st Baron Lister, (5 April 182710 February 1912), known between 1883 and 1897 as Sir Joseph Lister, Bt., was a British surgeon and a pioneer of antiseptic surgery.
The Journal of Organic Chemistry, colloquially known as JOC or J Org, is a peer-reviewed scientific journal for original contributions of fundamental research in all branches of theory and practice in organic and bioorganic chemistry.
In organic chemistry, keto–enol tautomerism refers to a chemical equilibrium between a keto form (a ketone or an aldehyde) and an enol (an alcohol).
The kidneys are two bean-shaped organs present in left and right sides of the body in vertebrates.
Liquid–liquid extraction (LLE), also known as solvent extraction and partitioning, is a method to separate compounds or metal complexes, based on their relative solubilities in two different immiscible liquids, usually water (polar) and an organic solvent (non-polar).
The liver, an organ only found in vertebrates, detoxifies various metabolites, synthesizes proteins, and produces biochemicals necessary for digestion.
Saint Maximilian Maria Kolbe (Maksymilian Maria Kolbe; 8 January 1894 – 14 August 1941) was a Polish Conventual Franciscan friar who volunteered to die in place of a stranger in the German death camp of Auschwitz, located in German-occupied Poland during World War II.
A medication (also referred to as medicine, pharmaceutical drug, or simply drug) is a drug used to diagnose, cure, treat, or prevent disease.
Merck & Company, Inc., d.b.a. Merck Sharp & Dohme (MSD) outside the United States and Canada, is an American pharmaceutical company and one of the largest pharmaceutical companies in the world.
Molar concentration (also called molarity, amount concentration or substance concentration) is a measure of the concentration of a chemical species, in particular of a solute in a solution, in terms of amount of substance per unit volume of solution.
Molecular biology is a branch of biology which concerns the molecular basis of biological activity between biomolecules in the various systems of a cell, including the interactions between DNA, RNA, proteins and their biosynthesis, as well as the regulation of these interactions.
Monsanto Company was an agrochemical and agricultural biotechnology corporation.
Musth or must is a periodic condition in bull (male) elephants, characterized by highly aggressive behavior and accompanied by a large rise in reproductive hormones.
National Socialism (Nationalsozialismus), more commonly known as Nazism, is the ideology and practices associated with the Nazi Party – officially the National Socialist German Workers' Party (Nationalsozialistische Deutsche Arbeiterpartei or NSDAP) – in Nazi Germany, and of other far-right groups with similar aims.
Nitrous oxide, commonly known as laughing gas or nitrous, is a chemical compound, an oxide of nitrogen with the formula.
Nonylphenols, from the Latin nōnus (number 9) and phenol, are a family of closely related organic compounds composed of phenol bearing a 9 carbon-tail.
Nucleic acids are biopolymers, or small biomolecules, essential to all known forms of life.
Nucleophile is a chemical species that donates an electron pair to an electrophile to form a chemical bond in relation to a reaction.
Nylon is a generic designation for a family of synthetic polymers, based on aliphatic or semi-aromatic polyamides.
In chemistry, orbital hybridisation (or hybridization) is the concept of mixing atomic orbitals into new hybrid orbitals (with different energies, shapes, etc., than the component atomic orbitals) suitable for the pairing of electrons to form chemical bonds in valence bond theory.
In chemistry, an organic compound is generally any chemical compound that contains carbon.
Organic peroxides are organic compounds containing the peroxide functional group (ROOR′).
Organic Syntheses is a peer-reviewed scientific journal that was established in 1921.
para-Cresol, also 4-methylphenol, is an organic compound with the formula CH3C6H4(OH).
Paint stripper, or paint remover, is a product designed to remove paint and other finishes and also to clean the underlying surface.
In science and engineering, the parts-per notation is a set of pseudo-units to describe small values of miscellaneous dimensionless quantities, e.g. mole fraction or mass fraction.
The petrochemical industry is concerned with the production and trade of petrochemicals.
Petroleum is a naturally occurring, yellow-to-black liquid found in geological formations beneath the Earth's surface.
Pharyngitis is inflammation of the back of the throat, known as the pharynx.
Phenol formaldehyde resins (PF) or phenolic resins are synthetic polymers obtained by the reaction of phenol or substituted phenol with formaldehyde.
Phenol–chloroform extraction is a liquid-liquid extraction technique in molecular biology used to separate nucleic acids from proteins and lipids.
Phenoxy herbicides (or "phenoxies") are a family of chemicals related to the growth hormone indoleacetic acid (IAA).
In organic chemistry, the phenyl group or phenyl ring is a cyclic group of atoms with the formula C6H5.
In chemistry, pi bonds (π bonds) are covalent chemical bonds where two lobes of an orbital on one atom overlap two lobes of an orbital on another atom.
Picric acid is an organic compound with the formula (O2N)3C6H2OH.
Plastic is material consisting of any of a wide range of synthetic or semi-synthetic organic compounds that are malleable and so can be molded into solid objects.
Polycarbonates (PC) are a group of thermoplastic polymers containing carbonate groups in their chemical structures.
Polyethylene glycol (PEG) is a polyether compound with many applications from industrial manufacturing to medicine.
Polyphenols (also known as polyhydroxyphenols) are a structural class of mainly natural, but also synthetic or semisynthetic, organic chemicals characterized by the presence of large multiples of phenol structural units.
In chemistry, a precursor is a compound that participates in a chemical reaction that produces another compound.
In chemistry, a radical (more precisely, a free radical) is an atom, molecule, or ion that has an unpaired valence electron.
The Raschig–Hooker process is a chemical process for the production of phenol, named after German chemist Friedrich Raschig.
A reaction intermediate or an intermediate is a molecular entity that is formed from the reactants (or preceding intermediates) and reacts further to give the directly observed products of a chemical reaction.
Redox (short for reduction–oxidation reaction) (pronunciation: or) is a chemical reaction in which the oxidation states of atoms are changed.
In chemistry, resonance or mesomerism is a way of describing delocalized electrons within certain molecules or polyatomic ions where the bonding cannot be expressed by one single Lewis structure.
Rhodococcus phenolicus is a bacterium species in the genus Rhodococcus.
Ribonucleic acid (RNA) is a polymeric molecule essential in various biological roles in coding, decoding, regulation, and expression of genes.
The Royal Society of Chemistry (RSC) is a learned society (professional association) in the United Kingdom with the goal of "advancing the chemical sciences".
The Schotten–Baumann reaction is a method to synthesise amides from amines and acid chlorides: Sometimes the name for this reaction is also used to indicate the reaction between an acid chloride and an alcohol to form an ester.
Skin whitening is the practice of using substances, mixtures, or physical treatments to lighten skin color.
Sodium bicarbonate (IUPAC name: sodium hydrogen carbonate), commonly known as baking soda, is a chemical compound with the formula NaHCO3.
Sodium carbonate, Na2CO3, (also known as washing soda, soda ash and soda crystals, and in the monohydrate form as crystal carbonate) is the water-soluble sodium salt of carbonic acid.
Sodium hydroxide, also known as lye, is an inorganic compound with the formula NaOH. It is a white solid ionic compound consisting of sodium cations and hydroxide anions. Sodium hydroxide is a highly caustic base and alkali that decomposes proteins at ordinary ambient temperatures and may cause severe chemical burns. It is highly soluble in water, and readily absorbs moisture and carbon dioxide from the air. It forms a series of hydrates NaOH·n. The monohydrate NaOH· crystallizes from water solutions between 12.3 and 61.8 °C. The commercially available "sodium hydroxide" is often this monohydrate, and published data may refer to it instead of the anhydrous compound. As one of the simplest hydroxides, it is frequently utilized alongside neutral water and acidic hydrochloric acid to demonstrate the pH scale to chemistry students. Sodium hydroxide is used in many industries: in the manufacture of pulp and paper, textiles, drinking water, soaps and detergents, and as a drain cleaner. Worldwide production in 2004 was approximately 60 million tonnes, while demand was 51 million tonnes.
Sodium phenoxide is an organic compound with the formula NaOC6H5.
Solid is one of the four fundamental states of matter (the others being liquid, gas, and plasma).
Solubility is the property of a solid, liquid or gaseous chemical substance called solute to dissolve in a solid, liquid or gaseous solvent.
Solvation describes the interaction of solvent with dissolved molecules.
Sunscreen, also known as sunblock, sun cream or suntan lotion, is a lotion, spray, gel or other topical product that absorbs or reflects some of the sun's ultraviolet (UV) radiation and thus helps protect against sunburn.
Surgical treatments of ingrown toenails include a number of different options.
TCP is a mild antiseptic, produced in France by Laboratoires Chemineau in Vouvray and sold in the United Kingdom by Omega Pharma.
Temporins are a family of peptides isolated originally from the skin secretion of the European red frog, Rana temporaria.
Thiophenol is an organosulfur compound with the formula C6H5SH, sometimes abbreviated as PhSH.
Toluene, also known as toluol, is an aromatic hydrocarbon.
A vaccine is a biological preparation that provides active acquired immunity to a particular disease.
In chemistry and physics, volatility is quantified by the tendency of a substance to vaporize.
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.
Zinc is a chemical element with symbol Zn and atomic number 30.
4-Hydroxybenzoic acid, also known as p-hydroxybenzoic acid (PHBA), is a monohydroxybenzoic acid, a phenolic derivative of benzoic acid.
ATC code C05BB05, ATC code D08AE03, ATC code N01BX03, ATC code R02AA19, ATCvet code QC05BB05, ATCvet code QD08AE03, ATCvet code QN01BX03, ATCvet code QR02AA19, Benzanol, Benzene hydroxide, Benzenol, C6H5OH, Carbolic Acid, Carbolic acid, Di-phenol, Di-phenols, Diphenols, Hydroxy benzene, Hydroxyarene, Hydroxyarenes, Hydroxybenzene, Monohydroxybenzene, PhOH, Phenate, Phenic Acid, Phenic acid, Phenolate, Phenoxide, Phenyl alcohol, Phenyl hydroxide, Phenylic acid, Simple phenol, Sodium carbolate, Sodium phenate, Tri-phenol, Tri-phenols, Triphenol, Triphenols.