InChI=1/C21H17N3O4S/c25-21(22-19-11-13-24(23-19)17-7-3-1-4-8-17)20-16(12-14-28-20)15-29(26,27)18-9-5-2-6-10-18/h1-14H,15H2,(H,22,23,25)/f/h22H A0EDABB8A2570EEC