英文别名Methotrexate Impurity 20; methotrexate-gamma-dimethylamide; Methotrexate N,N-dimethylamide; L-Glutamine, N2-[4-[[(2,4-diamino-6-pteridinyl)methyl]methylamino]benzoyl]-N,N-dimethyl-; (S)-2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)-5-(dimethylamino)-5-oxopentanoic acid; 2-(4-{[(2,4-Diaminopteridin-6-yl)methyl](methyl)amino}benzamido)-5-(dimethylamino)-5-oxopentanoic acid; Methotrexate Dimethylamide 
