InChI=1/C13H15F3N2O/c1-3-7-4-8-9(13(14,15)16)5-12(19)18-11(8)6-10(7)17-2/h4-5,8,11H,3,6H2,1-2H3,(H,18,19)/t8-,11-/m1/s1/f/h18H C54E3590E0E52E3B