Synonyms:
norbornene azetidinone ; 3-aza-tricyclo[4.2.1.0*2,5*]non-7-en-4-one ; cis-3-azatricyclo[4.2.1.02,5]non-7-en-4-one ; 3-aza-tricyclo[4.2.1.0(2,5)]non-7-en-4-one ; 4-oxo-3-aza-tricyclo[4.2.1.0(2.5)]non-7-ene ; 3-azatricyclo[4.2.1.02,5]non-7-en-4-one ; (1s,2s,5r,6r)-3-azatricyclo[4.2.1.02,5]non-7-en-4-one ; 3-azatricyclo[4.2.1.02,5]non-7-en-4-one, (1s,2s,5r,6r)-