InChI=1/C20H20N6O2/c1-27-25-19(21)15-7-9-17(23-11-15)13-3-5-14(6-4-13)18-10-8-16(12-24-18)20(22)26-28-2/h3-12H,1-2H3,(H2,21,25)(H2,22,26)/p+2/fC20H22N6O2/h25-26H,21-22H2/q+2 AB37E6DA60F3F5D2