InChI=1/C13H11F3N2O/c1-6-2-7-3-8-9(13(14,15)16)4-12(19)18-11(8)5-10(7)17-6/h3-6,17H,2H2,1H3,(H,18,19)/t6-/m1/s1/f/h18H B857464D9BD183B4