InChI=1/C12H9ClN2O3S/c1-18-11(17)9-8(10(16)15-12(19)14-9)6-2-4-7(13)5-3-6/h2-5H,1H3,(H2,14,15,16,19)/p-1/fC12H8ClN2O3S/h15H/q-1 6567E6CF9012F014