Obeticholic Acid Keto Ester  Impurity

Chemical Name: Methyl-3a-propionyloxy-6a-ethyl-7-keto-5b-cholanate ; methyl (R)-4-((3R,5S,6R,8S,9S,10S,13R,14S,17R)-6-ethyl-10,13-dimethyl-7-oxo-3-(propionyloxy)hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate

Synonym: 5-chloro-3-sulfinothiophene-2-carboxylic acid

Smile: C[C@H](CCC(OC)=O)[C@H]1CC[C@@]2([H])[C@]3([H])C([C@H](CC)[C@]4([H])C[C@H](OC(CC)=O)CC[C@]4(C)[C@@]3([H])CC[C@]12C)=O