InChI=1/C22H17ClO4S/c1-26-20-12-9-15(13-18(20)23)21-17-5-3-4-6-19(17)27-22(21)14-7-10-16(11-8-14)28(2,24)25/h3-13H,1-2H3 4F1C2F746AB916C6