[[(1A,3B,5E,7E)-9,10-开环胆甾-5,7,10(19)-三烯-1,3-基]双(氧)]双[(1,1-二甲基乙基)二甲基硅烷]

(1R,3As,4E,7Ar)-4-[(2E)-2-[(3S,5R)-3,5-Bis[[(1,1-Dimethylethyl)Dimethylsilyl]Oxy]-2-Methylenecyclohexylidene]Ethylidene]-1-[(1R)-1,5-Dimethylhexyl]Octahydro-7A-Methyl-1H-Indene