(3S,5R,8S,9S,10R,13R,14S,17R)-5,6-Dibromo-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-ol

3β-methoxymethoxy-5-cholestene

(5α)-cholestane-3β,5,6β-triol

cholester-3β-yl thiobenzoate

4-methylpentyllithium