Stigmast-7-en-6-one, 3-(acetyloxy)-5-hydroxy-, (3b,5a)-

Stigmastan-6-one, 3-(acetyloxy)-7-bromo-5-hydroxy-, (3b,5a,7a)-

(24R)-3β,5-dihydroxy-5β-stigmastan-6-one 3-tosylate