InChI=1/C14H19F3N2O2/c1-19(2)11(9-18-13(20)8-14(15,16)17)10-6-4-5-7-12(10)21-3/h4-7,11H,8-9H2,1-3H3,(H,18,20)/t11-/m1/s1/f/h18H 9EFA6A34C726BF76