InChI=1/C14H11Cl2NO3S/c1-9-3-2-4-11(7-9)21(19,20)17-14(18)12-6-5-10(15)8-13(12)16/h2-8H,1H3,(H,17,18)/p-1/fC14H10Cl2NO3S/q-1 435F4D961CACF315