InChI=1S/C19H15F3N2O6/c1-29-23-16(18(27)28)14-8-3-2-5-12(14)10-30-24-15(17(25)26)11-6-4-7-13(9-11)19(20,21)22/h2-9H,10H2,1H3,(H,25,26)(H,27,28)/b23-16+,24-15+