Synonyms: (+)-1,7,7-Trimethyl-3-(phenylmethylene)bicyclo(2.2.1)heptan-2-one;Bicyclo(2.2.1)heptan-2-one, 1,7,7-trimethyl-3-(phenylmethylene)-, (++)-;3-benzylidene-1,7,7-trimethylbicyclo[2.2.1]heptan-2-one;(1R,3Z,4S)-1,7,7-trimethyl-3-(phenylmethylidene)bicyclo[2.2.1]heptan-2-one