InChI=1/C14H13F3N2O2/c1-8(2)5-6-13(14(15,16)17)10-7-9(18)3-4-11(10)19-12(20)21-13/h3-4,7-8H,18H2,1-2H3,(H,19,20)/t13-/m0/s1/f/h19H 9E2FEB2387CBA444