InChI=1/C15H15F3N2O/c1-7-3-9-4-10-11(15(16,17)18)5-14(21)20-13(10)6-12(9)19-8(7)2/h4-8,19H,3H2,1-2H3,(H,20,21)/t7-,8-/m1/s1/f/h20H 326EAB803F45AE87