https://webbook.nist.gov/cgi/inchi?Str3View=C23979295&Type=JSmol
Structure for 3,4-Diazatricyclo[4.2.1.0(2,5)]nona-3,7-diene
https://pubchem.ncbi.nlm.nih.gov/compound/4-Cyclohexanecarbonyl-4_7-diazatricyclo_9.4.0.0_2_7_pentadeca-1_15_11_13-trien-6-one
4-Cyclohexanecarbonyl-4,7-diazatricyclo(9.4.0.0,2,7)pentadeca-1(15),11,13-trien-6-one - PubChem
4-Cyclohexanecarbonyl-4,7-diazatricyclo(9.4.0.0,2,7)pentadeca-1(15),11,13-trien-6-one chemical information summary.