3'-Chloroamethopterin 3'-Chloromethotrexate 3'-Cloromethotrexate 5472-96-8 AI3-50533 Glutamic acid, N-(3-chloro(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)-, L- (P)- (8CI) L-Glutamic acid, N-(3-chloro-4-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)- L-Glutamic acid, N-(3-chloro-4-(((2,4-diamino-6-pterinyl)methyl)methylamino)benzoyl)- (9CI) NSC 29631 SKI 23338