英文别名(2R)-2-[[4-[3-(2,6-diamino-4-oxo-1H-pyrimidin-5-yl)-3-oxopropyl]benzoyl]amino]pentanedioic acid; N-[4-[3-(2,6-Diamino-1,4-dihydro-4-oxo-5-pyrimidinyl)-3-oxopropyl]benzoyl]-L-glutamic Acid; LY 368962; Pemetrexed Impurity 8; L-Glutamic acid, N-[4-[3-(2,4-diamino-1,6-dihydro-6-oxo-5-pyrimidinyl)-3-oxopropyl]benzoyl]-; (2S)-2-[[4-[3-(2,4-diamino-6-oxo-1H-pyrimidin-5-yl)-3-oxopropyl]benzoyl]amino]pentanedioic acid; LY-368962; (S)-2-(4-(3-(2,4-diamino-6-oxo-1,6-dihydropyrimidin-5-yl)-3-oxopropyl)benzamido)pentanedioic acid; Pemetrexed Open-Ring Keto Amine; Pemetrexed open-ring Impurity 
