InChI=1/C13H15N7/c1-8(2)18-10-6-9(16-7-17-10)11-12(14)19-20-5-3-4-15-13(11)20/h3-8H,1-2H3,(H2,14,19)(H,16,17,18)/f/h18H,14H2 C2C7DD63B2A6420B