InChI=1/C13H18N8/c1-9(8-20-11(3)6-10(2)16-20)7-14-12-4-5-13-15-18-19-21(13)17-12/h4-6,9H,7-8H2,1-3H3,(H,14,17)/t9-/m1/s1/f/h14H 0ED1FBAECE4F4F51