Bicyclic bridged compounds that contain a nitrogen which has three bonds. The nomenclature indicates the number of atoms in each path around the rings, such as [2.2.2] for three equal length paths. Some members are TROPANES and BETA LACTAMS.

Synonyms: 0, Azabicyclo(5.2.2)Undecanes, Azabicyclo(4.3.0)Nonanes, Azabicyclo Compounds, Azabicyclo(1.1.0)Butanes, Azabicyclo(3.3.1)Nonanes, Azabicyclo(2.2.2)Octanes