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