InChI=1S/C21H19F3N2O4S/c1-3-30-20(27)13-26-18(12-19(25-26)21(22,23)24)15-9-7-14(8-10-15)16-5-4-6-17(11-16)31(2,28)29/h4-12H,3,13H2,1-2H3