p. 2574 - 2579
(1989)p. 741 - 748
(2007/10/02)3β-acetoxy-17α-hydroxy-5-pregnen-20-one
17alpha-ethynyl-3beta,17beta-dihydroxy-androst-5-ene
acetic anhydride
17α-Pregn-5-en-3β,17β-21-triol-20-one
Acetic acid (3S,8R,9S,10R,13S,14S,16R,17S)-17-acetyl-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-20-oxa-cyclopropa[16,17]cyclopenta[a]phenanthren-3-yl ester