InChI=1/C12H17F3N2O2/c13-12(14,15)9-3-1-2-8(6-9)11(19)17-5-4-16-10(18)7-17/h8-9H,1-7H2,(H,16,18)/t8-,9-/m1/s1/f/h16H 7B30A75244A84C37