英文名称
3-(2-{[3-(2-carboxyethyl)-5-[(4-ethyl-3-methyl-5-oxo-2,5-dihydro-1H-pyrrol-2-ylidene)methyl]-4-methyl-1H-pyrrol-2-yl]methylidene}-5-[(4-ethylidene-3-methyl-2-oxo-3,4-dihydro-2H-pyrrol-5-yl)methylidene]-4-methyl-2,5-dihydro-1H-pyrrol-3-yl)propanoic acid