4-胆甾烯-3-酮

胆甾-4,6-二烯

胆甾-3,5-二烯

(3'R,3a'R,5a'R,6'S,9a'R,9b'R)-6'-(but-3-yn-1-yl)-3',3a',4,4,5a',6',9a',9b'-octamethyl-3'-((R)-6-methylheptan-2-yl)dodecahydrospiro[cyclohexane-1,7'-cyclopenta[a]naphthalene]

4,5-secocholest-3-yn-5β-ol