InChI=1/C16H20N8O/c17-14-19-15(23-8-7-22-6-2-1-4-11(22)10-23)20-16-18-13(21-24(14)16)12-5-3-9-25-12/h3,5,9,11H,1-2,4,6-8,10H2,(H2,17,18,19,20,21)/p+2/t11-/m0/s1/fC16H22N8O/h19,22H,17H2/q+2 FDFBCBE680D196FB