Synonyms: FIXOLIDE;6-ACETYL-1,1,2,4,4,7-HEXAMETHYLTETRALIN;AHTN;1-(5,6,7,8-TETRAHYDRO-3,5,5,6,8,8-HEXAMETHYL-2-NAPHTALENYL)-ETHAN-1-ONE;TONALID(R) II;1-(5,6,7,8-tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthalenyl)-ethanon;1-acetyl-1,1,3,4,6-hexamethyltetrahydronaphthalene;5’,6’,7’,8’-tetrahydro-3,5’,5’,6’,8’,8’-hexamethyl-2’-acetanaphthon