a TGR5 agonist; full name is N-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)-1-(3-(2,5-dichloro-4-((3-(4-cyclopropyl-1,2,3,4-tetrahydroquinoxaline-1-carbonyl)pyridin-4-yl)oxy)phenyl)-N-methylpropanamido)-3,6,9,12,15,18-hexaoxahenicosan-21-amide; structure in first source