Synonyms: 1-(2,3,4,7,8,8a-hexahydro-3,6,8,8-tetramethyl-1H-3a,7-methanoazulen-5-yl)ethan-1-one;1-(2,3,4,7,8,8a-Hexahydro-3,6,8,8-tetramethyl-1H-3a,7-methanoazulen-5-yl)ethan-1-on;Ethanone, 1-(2,3,4,7,8,8a-hexahydro- 3,6,8,8-tetramethyl-1H-3a,7-methanoazulen-5-yl)-;1-[(2,3,4,7,8,8a-Hexahydro-3,6,8,8-tetramethyl-1H-3a,7-methanoazulen)-5-yl]ethanone;1-[1,2,3,3a,4,7,8,8a-Octahydro-3,6,8,8-tetramethyl-3a,7-methanoazulene-5-yl]ethanone;2,3,4,7,8,8a-Hexahydro-3,6,8,8-tetramethyl-5-acetyl-1H-3a,7-methanoazulene;3H-5-Acetyl-3,6,8,8-tetramethyl-1,2,4,7,8,8a-hexahydro-3a,7-methanoazulene