68683-34-1 89771-93-7 Bilirubin ditaurate Bilirubin ditaurine Ethanesulfonic acid, 2,2'-((2,17-diethyl-1,10,19,22,23,24-hexahydro-3,7,13,18-tetramethyl-1,19-dioxo-21H-biline-8,12-diyl)bis((1-oxo-3,1-propanediyl)imino))bis-