英文别名(S)-2-(4-(Methylamino)benzamido)pentanedioic acid; (2S)-2-[(4-Methylaminobenzoyl)amino]pentanedioic acid; 2-[[4-(methylamino)benzoyl]amino]pentanedioic acid; Methotrexate Impurity 12; Methotrexate EP Impurity L; p-(N-methylamino)benzoyl-L-glutamic acid 
