InChI=1/C14H11Cl2NO4S/c1-21-10-3-2-4-11(8-10)22(19,20)17-14(18)12-6-5-9(15)7-13(12)16/h2-8H,1H3,(H,17,18)/p-1/fC14H10Cl2NO4S/q-1 B09FB6FEF6AD6E2F