InChI=1/C21H25N9O/c1-27(9-10-28-11-13-29(14-12-28)16-6-3-2-4-7-16)20-24-19(22)30-21(25-20)23-18(26-30)17-8-5-15-31-17/h2-8,15H,9-14H2,1H3,(H2,22,23,24,25,26)/p+2/fC21H27N9O/h24,28H,22H2/q+2 FFE74A4F8206FE1C