N,N-二乙基-3-氧代-4-氮杂雄甾-1-烯-17-甲酰胺

(20R,22R)-1α,3β,20-trismethoxymethoxywitha-5,24-dienolide

3β-hydroxy-21-hydroxymethylidenepregn-5-en-20-one

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

(20R,22R)-3β-t-butyldimethylsilyloxy-1α,20-dihydroxy-5α,6α-epoxywith-24-enolide