10-Fddf 10-Formyl-5,8-dideazafolate 10-Formyl-5,8-dideazafolic acid 61038-31-1 L-Glutamic acid, N-(4-(((2-amino-1,4-dihydro-4-oxo-6-quinazolinyl)methyl)formylamino)benzoyl)- N-(4-(((2-Amino-1,4-dihydro-4-oxo-6-quinazolinyl)methyl)formylamino)benzoyl)-L-glutamic acid NSC 278167