InChI=1/C19H20N8O/c20-17-22-18(23-19-21-16(24-27(17)19)15-7-4-12-28-15)26-10-8-25(9-11-26)13-14-5-2-1-3-6-14/h1-7,12H,8-11,13H2,(H2,20,21,22,23,24)/p+1/fC19H21N8O/h22H,20H2/q+1 FA2442A3EAC19BA2