InChI=1/C19H14Cl2O4S/c1-11-9-17(22)18(13-5-8-15(20)16(21)10-13)19(25-11)12-3-6-14(7-4-12)26(2,23)24/h3-10H,1-2H3 E56B1ECCC1380A32