taurobilirubin

Ethanesulfonic acid, 2,2'-[(2,17-diethenyl-1,10, 11,19,22,23-hexahydro-3,7,13,18-tetramethyl-1,19 -dioxo-21H-biline-8,12-diyl)bis[(1-oxo-3,1-propanediy l)imino]]bis-