InChI=1/C21H22N8/c1-27-11-13-28(14-12-27)17-6-4-16(5-7-17)25-21-22-10-8-19(26-21)18-15-24-29-20(18)3-2-9-23-29/h2-10,15H,11-14H2,1H3,(H,22,25,26)/p+1/fC21H23N8/h25,27H/q+1 EF9F27DF01E866C5