英文别名NSC 341077; Methotrexate Impurity 6; 4-amino-4-deoxy-N10-methylpteroyltetraglutamate; 4-Amino-4-deoxy-N10-methylpteroylglutamyl-g-glutamate; 4-amino-10-methylpteroyldiglutamate; MTX triglutamate; L-Glutamic acid,N-(4-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)-L-g-glutamyl; 4-NH2-10-CH3-folyldiglutamate; methotrexate triglutamate; methotrexate tetraglutamate; MTX diglutamate; MTX tetraglutamate; 4-NH2-10-CH3-folyltriglutamate; 4-NH2-10-CH3-folyltetraglutamate; L-Glutamic acid, N-[4-[[(2,4-diamino-6-pteridinyl)methyl]methylamino]benzoyl]-L-γ-glutamyl-L-γ-glutamyl-L-γ-glutamyl- 
