4-Aminofolic acid 54-62-6 58602-66-7 (DISODIUM SALT) AIDS-007009 AIDS007009 APGA Aminopterin ENT-26079 L-Glutamic acid, N-[4-[[(2,4-diamino-6-pteridinyl)methyl]amino]benzoyl]- NSC257456 (DISODIUM SALT) NSC739 (DIHYDRATE)