InChI=1/C18H20N8O2/c1-10-14(16(23-18(28)22-10)15-11(2)20-9-21-15)17(27)25-4-3-5-26-13(8-25)6-12(7-19)24-26/h6,9,16H,3-5,8H2,1-2H3,(H,20,21)(H2,22,23,28)/p+1/t16-/m1/s1/fC18H21N8O2/h20-23H/q+1 0E7F5532D1BE0402