Glaucobilin

mesobiliverdin

Glaucobilin IXα

Mesobiliverdin IXα

Mesobiliverdin (Microbial source)

3,18-Diethyl-1,19,22,24-tetrahydro-2,7,13,17-tetramethyl-1,19-dioxo-21H-biline-8,12-dipropionic acid