Synonyms: 21H-Biline-3,7-dipropanoicacid, 12,17-diethenyl-1,19,23,24-tetrahydro-2,8,13,18-tetramethyl-1,19-dioxo-,dimethyl ester (9CI); Biline-3,7-dipropionic acid,1,19,23,24-tetrahydro-2,8,13,18-tetramethyl-1,19-dioxo-12,17-divinyl-, dimethylester (8CI); Biliverdin IXd dimethyl ester