InChI=1S/C20H19ClN2O2S/c1-3-10-22-20-23(16-7-5-4-6-13(16)2)19(25)18(26-20)12-14-8-9-17(24)15(21)11-14/h4-9,11-12,24H,3,10H2,1-2H3/b18-12-,22-20-