InChI=1/C13H14N8O/c1-3-15-11-8-10(18-20(11)2)17-13(14)21-12(8)16-9(19-21)7-5-4-6-22-7/h4-6,15H,3H2,1-2H3,(H2,14,17,18)/f/h14H2 E6408F668E673259