InChI=1S/C22H25FN2O4S/c1-25(2)13-5-7-16-14-17(23)10-12-20(16)30(28,29)24-19-11-9-15-6-3-4-8-18(15)21(19)22(26)27/h5,7,9-12,14,24H,3-4,6,8,13H2,1-2H3,(H,26,27)/b7-5-