InChI=1S/C22H19ClO5S/c23-22(19-9-5-2-6-10-19)21(17-7-3-1-4-8-17)18-11-13-20(14-12-18)27-15-16-28-29(24,25)26/h1-14H,15-16H2,(H,24,25,26)