InChI=1/C14H13F3N2O/c1-7-3-8-4-9-10(14(15,16)17)5-13(20)19(2)12(9)6-11(8)18-7/h4-7,18H,3H2,1-2H3/t7-/m1/s1 3F14B79395984343