InChI=1S/C19H18F3NO6S/c20-19(21,22)13-1-3-14(4-2-13)29-15-5-7-16(8-6-15)30(26,27)18(17(24)23-25)9-11-28-12-10-18/h1-8,25H,9-12H2,(H,23,24)