InChI=1/C14H13F3N2O/c1-6-7(2)18-11-5-12-9(3-8(6)11)10(14(15,16)17)4-13(20)19-12/h3-7,18H,1-2H3,(H,19,20)/t6-,7+/m0/s1/f/h19H 9ABA8F4F9851B94A