2(1H)-Naphthalenone, 3,4,5,6,7,8-hexahydro-3,3,5,5-tetramethyl- 3,4,5,6,7,8-Hexahydro-3,3,5,5-tetramethyl-2(1H)naphthalone 3,4,5,6,7,8-Hexahydro-3,3,5,5-tetramethylnaphthalene-2(1H)-one 72928-13-3 EINECS 277-052-8