APIs
(current)
Estrogens
Estradiol
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Chlormadinone Acetate
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Desogestrel
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Etonogestrel
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Medroxyprogesterone Acetate
Megestrol Acetate
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Nomegestrol Acetate
Norelgestromin
Norethindrone
Norethindrone Acetate
Norethindrone Enanthate
Norethynodrel
Norgestimate
Norgestrel
SPRMs
Ulipristal Acetate
SERMs
Ormeloxifene
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Levonorgestrel
Metabolites
2α-hydroxylevonorgestrel
2α-hydroxylevonorgestrel
Structure
Source
Hydroxylation at C2.
Notes
Also present as glucuronide conjugate.
References
Stanczyk FZ. All progestins are not created equal. Steroids. 2003; 68:879-90.
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Hazardous Substances Database: Levonorgestrel.
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Stanczyk FZR, S. Metabolism of levonorgestrel, norethindrone, and structurally related contraceptive steroids. 1990; 42:67-96.
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