InChI=1/C21H19N5O/c1-13-5-2-3-7-17(13)24-21(27)23-15-11-9-14(10-12-15)16-6-4-8-18-19(16)20(22)26-25-18/h2-12H,1H3,(H3,22,25,26)(H2,23,24,27)/p+1/fC21H20N5O/h23-26H,22H2/q+1 1E773D9AB28A48A5