InChI=1/C13H12N6S/c20-13(18-16-9-11-5-1-3-7-14-11)19-17-10-12-6-2-4-8-15-12/h1-10H,(H2,18,19,20)/b16-9+,17-10+/f/h18-19H 31870C9B30765D2E