5-methyl-6-nitro-2-(trifluoromethyl)[1,2,4]triazolo[1,5-a]pyrimidin-7(4H)-one InChI=1/C7H4F3N5O3/c1-2-3(15(17)18)4(16)14-6(11-2)12-5(13-14)7(8,9)10/h1H3,(H,11,12,13 [1,2,4]triazolo[1,5-a]pyrimidin-7(4H)-one, 5-methyl-6-nitro-2-(trifluoromethyl)-