(2s)-5-carboxy-1-[(2e)-2-[(2s)-2,6-dicarboxy-2,3-dihydro-1h-pyridin-4-ylidene]ethylidene]-7-oxo-2,3-dihydropyrano[3,4-b]pyrrol-1-ium-2-carboxylate

CAS No: 12624-19-0

carboxy,dicarboxy,dihydro,pyridin,ylidene,ethylidene,dihydropyrano,pyrrol,carboxylate