5-(carboxymethylamino)-2-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]-5-oxopentanoic acid

甲氨蝶呤alpha-天冬氨酸

甲氨蝶呤-alpha谷氨酸

5-(carboxymethylamino)-4-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]-5-oxopentanoic acid

甲氨蝶呤-gamma-甲基酰胺