52980-66-2

7-MTX 7-Methotrexate Methotrexate Impurity 74 7 Methotrexate,7Methotrexate N-[p-[[(2,4-Diaminopteridin-7-yl)methyl]methylamino]benzoyl]-L-glutamic acid L-Glutamic acid, N-[4-[[(2,4-diamino-7-pteridinyl)methyl]methylamino]benzoyl]-