英文名称
3-[2-[[3-(2-carboxy-2-methylpropyl)-5-[(3-ethenylidene-5-hydroxy-4-methyl-1H-pyrrol-2-ylidene)methyl]-4-methyl-1H-pyrrol-2-yl]methyl]-5-[(3-ethenylidene-5-hydroxy-4-methyl-1H-pyrrol-2-ylidene)methyl]-4-methyl-1H-pyrrol-3-yl]-2,2-dimethylpropanoic acid