4,5-Secocholestane-3,5-dione

2α,4,6β-tribromocholest-4-en-3-one

Δ4-cholesten-3-one ethylene ketal

(8S,9S,10R,13R,14S,17R)-10,13-二甲基-17-[(2R)-6-甲基庚烷-2-基]螺[1,2,4,7,8,9,11,12,14,15,16,17-十二氢环戊烯并[a]菲-3,2'-1,3-二氧戊环]

5,6β-dibromo-5α-cholestanone-(3)