胆红素

3,3'-(2,17-diethyl-3,7,13,18-tetramethyl-1,19-dioxo-1,10,19,22,23,24-hexahydro-21H-biline-8,12-diyl)-bis-propionic acid dimethyl ester

去氢胆红素

氨气

中胆绿素