Synonyms: Acetyl hexamethyl tetralin;1-(5,6,7,8-Tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthalenyl)ethan- one;6-Acetyl-1,1,2,4,4,7-hexamethyl-1,2,3,4-tetrahydronaphthalene;Ethanone, 1-(5,6,7,8-tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthalenyl)-;6-Acetyl-1,1,2,4,4,7-hexamethyltetralin;7-Acetyl-1,1,3,4,4,6-hexamethyl-1,2,3,4-tetrahydronaphthalene;7-Acetyl-1,1,3,4,4,6-hexamethyltetrahydronaphthalene;7-Acetyl-1,1,3,4,4,6-hexamethyltetralin;CCRIS 8403;NSC 19550;Tonalide;1-(5,6,7,8-Tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthyl)ethan-1-one;2'-Acetonaphthone, 5',6',7',8'-tetrahydro-3',5',5',6',8',8'-hexamethyl- (VAN) (8CI);Ethanone, 1-(5,6,7,8-tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthalenyl)- (VAN) (9CI);1-(3,5,5,6,8,8-hexamethyl-5,6,7,8-tetrahydronaphthalen-2-yl)ethanone;Tonalid;1-(5,6,7,8-Tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthalenyl)ethanone