InChI=1/C22H18N2O4S/c23-11-17-15-7-3-4-8-18(15)29-21(17)24-19(25)12-28-22(27)16-10-9-13-5-1-2-6-14(13)20(16)26/h1-2,5-6,9-10,26H,3-4,7-8,12H2,(H,24,25)/f/h24H B908B11A3F0D5023