cholest-4-en-3β-ol

胆甾烷醇

4a,6a-dimethyl-7-(6-methylheptan-2-yl)hexadecahydro-2h-cyclopenta[a]cyclopropa[j]phenanthren-2-one

3-氧代-雄甾-4-烯-17beta-羧酸

4-胆烯酸-3-酮