Obeticholic Acid Impurity 1

Chemical Name: (R)-4-((3R,5S,6R,7S,8S,9S,10S,13R,14S,17R)-6-ethyl-3,7-dihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid

Smile: C[C@@]([C@]1([H])[C@@H](CC)[C@@H]2O)(CC[C@@H](O)C1)[C@]3([H])[C@]2([H])[C@@](CC[C@]4([H])[C@H](C)CCC(O)=O)([H])[C@]4(C)CC3