InChI=1S/C20H18ClN3O3S/c1-28(26,27)24(14-15-4-8-17(21)9-5-15)19-10-6-16(7-11-19)20(25)23-18-3-2-12-22-13-18/h2-13H,14H2,1H3,(H,23,25)