InChI=1/C21H17N3O4S/c25-21(23-16-6-8-17(9-7-16)24-13-12-22-15-24)20-11-10-18(28-20)14-29(26,27)19-4-2-1-3-5-19/h1-13,15H,14H2,(H,23,25)/f/h23H 0247080435B56E32