英文名称
methyl 3-[2-({5-[(4-ethyl-3-methyl-5-oxo-2,5-dihydro-1H-pyrrol-2-ylidene)methyl]-3-(3-methoxy-3-oxopropyl)-4-methyl-2H-pyrrol-2-ylidene}methyl)-5-{[3-(2-hydroxyethyl)-4-methyl-5-oxo-2,5-dihydro-1H-pyrrol-2-ylidene]methyl}-4-methyl-1H-pyrrol-3-yl]propanoate