InChI=1/C13H12N6O/c20-13(11-7-16-19-18-11)15-8-12-14-6-10(17-12)9-4-2-1-3-5-9/h1-7H,8H2,(H,14,17)(H,15,20)(H,16,18,19)/f/h15,17,19H D8DD19C549917F73