InChI=1/C13H12N6S/c20-13(18-16-9-11-3-1-5-14-7-11)19-17-10-12-4-2-6-15-8-12/h1-10H,(H2,18,19,20)/b16-9+,17-10+/f/h18-19H D2DB272AB56BD146