InChI=1/C22H22F2N2O4S/c1-13-9-11-15(12-10-13)31(28,29)19-14(2)25-26(22(3,4)5)20(19)30-21(27)18-16(23)7-6-8-17(18)24/h6-12H,1-5H3 4239CF2B13BE377A