15475-56-6 59-05-2 EINECS 239-495-5 Glutamic acid, N-(p-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)-, sodium salt L-Glutamic acid, N-(4-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)-, sodium salt MTX sodium Methotrexate sodium Methotrexate sodium (x-Na) Methotrexate sodium salt Sodium L-(+)-methotrexate Sodium N-(4-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)-L-glutamate