InChI=1/C14H13F3N2O/c1-7-2-3-18-11-6-12-9(4-8(7)11)10(14(15,16)17)5-13(20)19-12/h4-7,18H,2-3H2,1H3,(H,19,20)/t7-/m0/s1/f/h19H 32818E3DB63E7FE1