5β-pregn-16-en-3,20-dione

(8S,9S,10R,13S,14S,16S,17R)-17-acetyl-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-16-yl (R)-5-acetamido-4-methylpentanoate

17α-Fluor-progesteron

[(8R,9S,10R,13S,14S)-17-acetyl-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15-decahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate

17-((E)-isocyano(tosyl)methylene)-3-methoxyandrosta-3,5-diene