Synonyms: Glutamicacid, N-[p-[[(2,4-diamino-6-pteridinyl)methyl]methylamino]benzoyl]-, disodiumsalt, L-(+)- (8CI);L-Glutamic acid,N-[4-[[(2,4-diamino-6-pteridinyl)methyl]methylamino]benzoyl]-, disodium salt(9CI);Amethopterin sodium;Methotrexate Lederle;Methotrexate disodium salt;Metotrexato Lederle;