InChI=1/C13H11F3N2O2/c1-6-5-20-12-9(17-6)3-2-8-11(12)7(13(14,15)16)4-10(19)18-8/h2-4,6,17H,5H2,1H3,(H,18,19)/t6-/m1/s1/f/h18H 8CEBD0331F67A3DF