英文名称
3-[5-[[3-(2-carboxyethyl)-5-[[3-(2-carboxyethyl)-5-[[3-(2-carboxyethyl)-4-(carboxymethyl)-5-(hydroxymethyl)-1H-pyrrol-2-yl]methyl]-4-(carboxymethyl)-1H-pyrrol-2-yl]methyl]-4-(carboxymethyl)-1H-pyrrol-2-yl]methyl]-4-(carboxymethyl)-2-methyl-1H-pyrrol-3-yl]propanoic acid