InChI=1/C20H18N6O/c1-13-8-17(6-7-24-13)20(18(27)26(2)19(21)25-20)16-5-3-4-14(9-16)15-10-22-12-23-11-15/h3-12H,1-2H3,(H2,21,25)/p+1/t20-/m0/s1/fC20H19N6O/h25H,21H2/q+1 CA0410898881B432