(Z)-3α-acetoxy-5β-pregna-9(11),17(20)-diene

methyl 3alpha-acetoxy-5beta-chol-9(11)-en-24-oate

胆酸

(3R,5R,8S,10S,13S,14S,Z)-17-ethylidene-10,13-dimethyl-2,3,4,5,6,7,8,10,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol

methyl 3α-acetoxy-5β-chola-9(11),16-dien-24-oate