InChI=1/C18H12N4O2S/c23-17(14-6-3-4-10-19-14)22-20-11-12-8-9-15(24-12)18-21-13-5-1-2-7-16(13)25-18/h1-11H,(H,22,23)/b20-11+/f/h22H 4971677DDABB9E28