InChI=1S/C19H26F13NO2/c1-3-5-9-33(10-6-4-2)11-7-13(34)35-12-8-14(20,21)15(22,23)16(24,25)17(26,27)18(28,29)19(30,31)32/h3-12H2,1-2H3