InChI=1/C21H22N6O/c1-26-8-10-27(11-9-26)13-6-7-16-17(12-13)24-20(23-16)18-19(22)14-4-2-3-5-15(14)25-21(18)28/h2-7,12H,8-11H2,1H3,(H,23,24)(H3,22,25,28)/p+1/fC21H23N6O/h24-26H,22H2/q+1 ED8F46F2C3DD45D1