4-[2-(2-氨基-4,7-二氫-4-氧-3H-吡咯并[2,3-d]嘧啶-5-基)乙基]苯甲酸;培美閉環(huán)酸;4-[2-(2-氨基-4,7-二氫-4-氧代-3H-吡咯并[2,3]嘧啶-5-基)乙基]苯甲酸;2-氨基-4,7-二氫-5-[2-[4-(羧基)芐基]乙基]-4-氧-3H-吡咯并[2,3-d]嘧啶;培美曲塞閉環(huán)酸;
4-[2-(2-amino-4-oxo-1,7-dihydropyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid;4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic Acid;4-(2-(2-Amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoic acid;Pemetrexed disodium intermediate;
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