(R)-4-((3R,5S,6S,7R,8S,9S,10S,13R,14S,17R)-6-((S)-ethyl-1,2,2,2-d4)-3,7-dihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl-7-d)pentanoic acid, sodium salt,(R)-4-((3R,5S,6S,7R,8S,9S,10S,13R,14S,17R)-6-((S)-ethyl-1,2,2,2-d4)-3,7-dihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl-7-d)pentanoic acid, sodium salt,Obeticholic Acid Stable Isotopes