InChI=1/C19H18N2O3S/c1-13-5-8-15(20)11-19(13)14-6-9-18(10-7-14)25(23,24)21-16-3-2-4-17(22)12-16/h2-12,21-22H,20H2,1H3 6D2783528B3E497E