InChI=1S/C20H22ClN3O3S/c21-18-6-4-16(5-7-18)15-27-13-12-22-10-11-24-28(25,26)20-3-1-2-17-14-23-9-8-19(17)20/h1-9,14,22,24H,10-13,15H2