英文名称
5-[(E)-[(5Z)-4-(2-carboxyethyl)-5-[[3-(2-carboxyethyl)-5-[(Z)-[(3R,4R)-3-ethyl-4-methyl-5-oxopyrrolidin-2-ylidene]methyl]-4-methyl-1H-pyrrol-2-yl]methylidene]-3-methylpyrrol-2-ylidene]methyl]-3-ethyl-4-methyl-1H-pyrrol-2-olate;molecular hydrogen