InChI=1/C21H14ClNO4S/c1-26-16-9-8-12(11-14(16)22)19(24)20-18(13-5-2-3-6-15(13)27-20)23-21(25)17-7-4-10-28-17/h2-11H,1H3,(H,23,25)/f/h23H 26D288ED16071562