N-(4-氨基苯甲酰)-L-谷氨酸

对甲胺基苯甲酰谷氨酸二乙酯

2-[[4-[(2,4-diaminopyrido[3,2-d]pyrimidin-6-yl)methylamino]benzoyl]amino]pentanedioic acid

diethyl 2-[[4-[(2,4-diaminopyrido[2,3-d]pyrimidin-6-yl)methylamino]benzoyl]amino]pentanedioate

2-[[4-[(2,4-diaminopyrido[2,3-d]pyrimidin-6-yl)methyl-methylamino]benzoyl]amino]pentanedioic acid