112888-26-3 C(2)-Desamino-C(2)methyl-N(10)-propargyl-2'-trifluoromethyl-5,8-dideazfolic acid CB 3988 CB-3988 L-Glutamic acid, N-(4-(((1,4-dihydro-2-methyl-4-oxo-6-quinazolinyl)methyl)-2-propynylamino)-2-(trifluoromethyl)benzoyl)-