英文名称
(2S)-2-[[(3E)-3-[(5Z)-3-carboxy-5-[[(5Z)-5-[[5-[(Z)-[(3S,4S)-4-(2-carboxyethyl)-3-methyl-3,4-dihydropyrrol-2-ylidene]methyl]-3-ethenyl-4-methyl-1H-pyrrol-2-yl]methylidene]-3-ethyl-4-methyl-1,2-dihydropyrrol-2-yl]methylidene]-4-methylpyrrol-2-ylidene]butoxy]amino]butanedioic acid