英文别名methyl (4R)-4-((3R,5S,6R,7R,8S,9S,10S,13R,14S,17R)-6-ethyl-3,7-dihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate; Obeticholic Acid Impurity 48; Cholan-24-oic acid, 6-ethyl-3,7-dihydroxy-, methyl ester, (3α,5β,6α,7α)-; Obeticholic Acid Impurity 45; methyl (R)-4-((3R,5S,6R,7R,8S,9S,10S,13R,14S,17R)-6-ethyl-3,7-dihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate 
