InChI=1/C20H13NO2S/c22-20(23)17-12-18(21-19-16(17)10-11-24-19)15-8-6-14(7-9-15)13-4-2-1-3-5-13/h1-12H,(H,22,23)/p-1/fC20H12NO2S/q-1 32257D57439498AD