InChI=1/C21H18F2O3S/c1-13-12-15(6-11-19(13)26-2)20-17(9-10-18(22)21(20)23)14-4-7-16(8-5-14)27(3,24)25/h4-12H,1-3H3 56246ED0DCB0EBC3