InChI=1/C14H13ClN2O3S/c1-10-2-8-13(9-3-10)21(19,20)17-14(18)16-12-6-4-11(15)5-7-12/h2-9H,1H3,(H2,16,17,18)/p-1/fC14H12ClN2O3S/h16H/q-1 8FE717F72108ABC0