InChI=1/C16H14ClN2O3S/c1-11-2-5-13(16(18)20)10-15(11)19-23(21,22)9-8-12-3-6-14(17)7-4-12/h2-10H,1H3,(H2,18,20)/q-1/b9-8+/f/h18H2 3E1B61F21BB09DAC