InChI=1/C13H12N6S/c14-11-10-12(19-13(15)18-11)16-6-8(17-10)7-20-9-4-2-1-3-5-9/h1-6H,7H2,(H4,14,15,16,18,19)/f/h14-15H2 19D209E87DF447F5