InChI=1/C20H14F2N2O2S/c1-11(25)23-19(13-6-7-14(21)15(22)8-13)20-24-16(10-27-20)18-9-12-4-2-3-5-17(12)26-18/h2-10,19H,1H3,(H,23,25)/t19-/m1/s1/f/h23H 8773D9903D0C4929