3-[(2E)-4-methyl-5-[(Z)-(4-methyl-5-oxo-3-vinyl-1,5-dihydro-2H-pyrrol-2-ylidene)methyl]-2-(phenylhydrazono)-2H-pyrrol-3-yl]propanoic acid
3-[(2e)-4-methyl-5-[(z)-(4-methyl-5-oxo-3-vinyl-1,5-dihydro-2h-pyrrol-2-ylidene)methyl]-2-(phenylhydrazono)-2h-pyrrol-3-yl]propanoic acid
A hydrazone that is a tautomer of 8-(2-carboxyethyl)-2,7-dimethyl-3-vinyl-9-(phenyldiazenyl)dipyrrin-1(10<em>H</em>)-one.