InChI=1/C13H15F3N2O/c1-2-5-17-8-3-4-9-10(13(14,15)16)7-12(19)18-11(9)6-8/h3-4,7,9,11H,2,5-6H2,1H3,(H,18,19)/t9-,11-/m1/s1/f/h18H 5840157FB2D20FD4