InChI=1S/C22H21F2NO4S/c1-30(28,29)16-7-5-13(6-8-16)12-25-21-14(9-20(26)27)3-2-4-17(21)18-10-15(23)11-19(24)22(18)25/h5-8,10-11,14H,2-4,9,12H2,1H3,(H,26,27)