IUPAC:(1R,9S)-6-[({[(1R,9S)-6-oxo-7,11-diazatricyclo[7.3.1.0^{2,7}]trideca-2,4-dien-11-yl]methylidene}oxo)-lambda3-oxidanylidene]-7,11-diazatricyclo[7.3.1.0^{2,7}]trideca-2,4-diene-11-carbaldehyde
IUPAC:(1R,9S)-6-[({[(1R,9S)-6-oxo-7,11-diazatricyclo[7.3.1.0^{2,7}]trideca-2,4-dien-11-yl]methylidene}oxo)-lambda3-oxidanylidene]-7,11-diazatricyclo[7.3.1.0^{2,7}]trideca-2,4-diene-11-carbaldehyde