InChI=1/C21H18F2O4S/c1-26-20-9-6-14(10-21(20)27-2)17-12-19(23)18(22)11-16(17)13-4-7-15(8-5-13)28(3,24)25/h4-12H,1-3H3	27C7E1902A3671D7