13082-83-2 3'-Bromomethotrexate 3-Bromomethotrexate Glutamic acid, N-[3-bromo-4-[[(2,4-diamino-6-pteridinyl)methyl]methylamino]benzoyl]- Glutamic acid, N-[3-bromo-4-[[(2,4-diamino-6-pteridinyl)methyl]methylamino]benzoyl]- L- Monobromomethotrexate NSC 98580 NSC98580