InChI=1S/C18H20F3N3O3/c1-11-10-24(16(26)17(3,27)18(19,20)21)12(2)9-23(11)15(25)14-6-4-13(8-22)5-7-14/h4-7,11-12,27H,9-10H2,1-3H3/t11-,12+,17-/m1/s1