The molecule is a member of bilenes. It derives from a bilene-b. It is a conjugate base of a primary fluorescent chlorophyll catabolite(1-). It is a conjugate acid of a primary fluorescent chlorophyll catabolite(2-).
3-[(2Z,3S,4S)-5-[(4-ethenyl-3-methyl-5-oxo-1,2-dihydropyrrol-2-yl)methyl]-2-[(5R)-2-[(3-ethyl-5-formyl-4-methyl-1H-pyrrol-2-yl)methyl]-5-methoxycarbonyl-3-methyl-4-oxo-1H-cyclopenta[b]pyrrol-6-ylidene]-4-methyl-3,4-dihydropyrrol-3-yl]propanoic acid