InChI=1/C21H16F2O2S/c1-26(24,25)18-10-8-17(9-11-18)19(16-5-3-2-4-6-16)13-15-7-12-20(22)21(23)14-15/h2-14H,1H3/b19-13+	C3E91DE74F7CE550