InChI=1/C17H20N8O3/c26-10-9-23-5-7-24(8-6-23)17-21-15-14(18-11-19-15)16(22-17)20-12-1-3-13(4-2-12)25(27)28/h1-4,11,26H,5-10H2,(H2,18,19,20,21,22)/p+1/fC17H21N8O3/h19-20,23H/q+1 85211B0ED5D18481