InChI=1/C19H22N8O/c1-25-9-11-26(12-10-25)14-18(28)22-16-13-17(27-8-4-7-21-27)24-19(23-16)15-5-2-3-6-20-15/h2-8,13H,9-12,14H2,1H3,(H,22,23,24,28)/p+1/fC19H23N8O/h22,25H/q+1 1AADE4E2E53DDFC8