112887-79-3 2-Deamino-2-methyl-5,8-dideazaisofolic acid 2-Desamino-2-methyl-5,8-dideazaisofolic acid DS-M-Iahq L-Glutamic acid, N-(4-(((1,4-dihydro-2-methyl-4-oxo-6-quinazolinyl)methyl)amino)benzoyl)-