InChI=1/C21H22N6O2/c1-2-26-19-17(20(28)27(21(26)29)12-15-8-9-15)23-18(24-19)16-10-22-25(13-16)11-14-6-4-3-5-7-14/h3-7,10,13,15,28H,2,8-9,11-12H2,1H3/p-1/fC21H21N6O2/h28h/q-1 518AB2DA11B3D126