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Norprogesterones

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Definition: Progesterones which have undergone ring contraction or which are lacking carbon 18 or 19.     
 
SubstanceCAS Registry & nameCategoriesSourceDrugs*
16-methylene-17-hydroxy-18-methyl-19-norpregn-4-ene-3,20-dione acetate  0   *Norprogesterones. Steroids 2000 May;65(5):266-74
Org 6141  0   *Norprogesterones Fluorine Radioisotopes. Nucl Med Biol 1995 Oct;22(7):915-20
21-fluoro-16-methyl-19-norprogesterone  134785-66-3   *Norprogesterones. Cancer Lett 1991;59(2):125
21-fluoro-16-ethyl-19-norprogesterone  25908-76-3   *Norprogesterones. J Med Chem 1988;31(7):1360
19-norprogesterone  472-54-8   *Norprogesterones. Endocrinology 1981;109(1):313
ST 1435  7759-35-5   *Norprogesterones Drug Implants.
Pharma Action Contraceptive Agents, Female 		Contraception 1981;23(1):63
demegestone  10116-22-0 17 alpha- methyl-19-demethylpregna-4,9-diene-3,20-dione  *Norprogesterones Progesterone Congeners. Rev Fr Gynecol Obstet 70(7-9):515;1975; Rev Fr Gynecol Obstet 71(10):595;1976
psi-retroprogesterone  31266-44-1   *Norprogesterones. Helv Chim Acta 57(1):187;1974

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