InChI=1/C16H20N8O2/c1-2-24-13-10(16(25)20-9-3-5-18-6-4-9)7-19-8-11(13)21-15(24)12-14(17)23-26-22-12/h7-9,18H,2-6H2,1H3,(H2,17,23)(H,20,25)/p+1/fC16H21N8O2/h18,20H,17H2/q+1 098E45BF9D98410A