1α,2α-epoxy-20ξ-tetrahydropyranyloxypregna-4,6-dien-3-one

2-[1-((1S,3R,8S,9S,10R,13S,14S,17S)-1,3-Bis-methoxymethoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-ethoxy]-tetrahydro-pyran

(20R,22R)-3β-t-butyldimethylsilyloxy-5α,6α-epoxy-20-hydroxy-1-oxowith-24-enolide

(S)-1-((1S,3R,8S,9S,10R,13S,14S,17S)-1,3-Bis-methoxymethoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-1-[1,3]dithian-2-yl-ethanol

[(1S,3R,8S,9S,10R,13R,14S,17S)-17-[(1R)-1-[(2R)-4,5-dimethyl-6-oxo-2,3 -dihydropyran-2-yl]-1-hydroxy-ethyl]-3-hydroxy-10,13-dimethyl-2,3,4,7, 8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-1-yl] ac etate

(20R)-1α,3β-bismethoxymethoxy-20-formyl-20-hydroxypregn-5-ene

(20R,22R)-3β-t-butyldimethylsilyloxy-1α,20-dihydroxywitha-5,24-dienolide

5,6-环氧-4,20,22-三羟基-1-氧代麦角甾-2,24-二烯-26-酸delta-内酯

3β,20αF-dihydroxy-1-oxo-20R,22R-witha-5,24-dienolide

(20R,22R)-20-dihydroxy-6β-phenylthio-1-oxowitha-2,4,24-trienolide