InChI=1/C21H19FN2O2S/c1-14(25)17-5-2-3-6-18(17)24-20(26)13-23-21(19-7-4-12-27-19)15-8-10-16(22)11-9-15/h2-12,21,23H,13H2,1H3,(H,24,26)/t21-/m1/s1/f/h24H AF1B9D1002F81C43