2-((R)-4-((3R,5S,7S,8R,9S,10S,13R,14S,17R)-3,7-dihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanamido)acetic acid-D5; N-[(3.alpha.,5.beta.,7.beta.)-3,7-dihydroxy-24-oxocholan-24-yl]Glycine-D5; 3.alpha.,7.beta.-Dihydroxy-5.beta.-cholanoylglycine-D5; Glycylursodeoxycholic acid-D5; N-(3.alpha.,7.beta.-Dihydroxy-5.beta.-cholan-24-oyl)glycine-D5; N-[(3.alpha.,5.beta.,7.beta.)-3,7-Dihydroxy-24-oxocholan-24-yl]glycine-D5; Ursodeoxycholylglycine-D5; Glycoursodiol