InChI=1/C17H13F3N2O2/c1-2-16-6-5-11(23)14(17(18,19)20)13(16)8-3-4-10-9(7-21-22-10)12(8)15(16)24/h3-4,7H,2,5-6H2,1H3,(H,21,22)/t16-/m1/s1/f/h21H DB31CD1309E23BB7