InChI=1/C21H18N2O5S/c24-20(25)15-23(18-9-5-2-6-10-18)29(27,28)19-13-11-17(12-14-19)22-21(26)16-7-3-1-4-8-16/h1-14H,15H2,(H,22,26)(H,24,25)/p-1/fC21H17N2O5S/h22H/q-1 578C054AAD8BE94E