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6,6-Difluoronorethisterone, also known as 6,6-difluoro-17α-ethynyl-19-nortestosterone or as 6,6-difluoro-17α-ethynylestr-4-en-17β-ol-3-one, is a steroidal progestin of the 19-nortestosterone group that was described in 1971 but was never marketed. [1]

9 relations: Acetate, Chemical synthesis, Derivative (chemistry), Ester, Nandrolone, Norethisterone, Progestin, Steroid, 6,6-Difluoronorethisterone acetate.


An acetate is a salt formed by the combination of acetic acid with an alkaline, earthy, metallic or nonmetallic and other base.

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Chemical synthesis

Chemical synthesis is a purposeful execution of chemical reactions to obtain a product, or several products.

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Derivative (chemistry)

In chemistry, a derivative is a compound that is derived from a similar compound by a chemical reaction.

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In chemistry, an ester is a chemical compound derived from an acid (organic or inorganic) in which at least one –OH (hydroxyl) group is replaced by an –O–alkyl (alkoxy) group.

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Nandrolone, also known as 19-nortestosterone, is an androgen and anabolic steroid (AAS) which is used in the form of esters such as nandrolone decanoate (brand name Deca-Durabolin) and nandrolone phenylpropionate (brand name Durabolin).

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Norethisterone, also known as norethindrone and sold under the brand names Aygestin and Primolut N among many others, is a progestin medication which is used in birth control pills, menopausal hormone therapy, and for the treatment of gynecological disorders.

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A progestin is a type of medication which is used most commonly in hormonal birth control and menopausal hormone therapy.

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A steroid is a biologically active organic compound with four rings arranged in a specific molecular configuration.

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6,6-Difluoronorethisterone acetate

6,6-Difluoronorethisterone acetate, also known as 6,6-difluoro-17α-ethynyl-19-nortestosterone 17β-acetate or as 6,6-difluoro-17α-ethynylestr-4-en-17β-ol-3-one 17β-acetate, is a steroidal progestin of the 19-nortestosterone group which was never marketed.

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6,6-difluoronorethisterone, Difluoronorethisterone.


[1] https://en.wikipedia.org/wiki/6,6-Difluoronorethisterone

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