英文名称
3-[(3S)-2-[[(2S)-4-(2-carboxyethyl)-2-[[(2R)-3-ethyl-4-methyl-5-oxo-1,2-dihydropyrrol-2-yl]methyl]-3-methyl-2,3-dihydro-1H-pyrrol-5-yl]methyl]-5-[[(2S)-4-ethenyl-3-methyl-5-oxo-1,2-dihydropyrrol-2-yl]methyl]-4-methyl-2,3-dihydro-1H-pyrrol-3-yl]propanoic acid