(8S,9S,10R,13R,14S,17R)-2,4-dibromo-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one

2,4,6-三甲基吡啶

2α,4α-dibromo-5α-cholestan-3-one

5-Alpha-胆甾烷-3-酮

2α-iodocholest-4-en-3-one