681459-21-2 2,2,5,8-tetramethyl-1,2,3,4-tetrahydronaphthalen-1-ol (en)1-naphthalenol, 1,2,3,4-tetrahydro-2,2,5,8-tetramethyl- (en) 681459-19-8 5,8-dimethyl-1,2,3,4-tetrahydronaphthalen-1-yl Acetate (en)1-naphthalenol, 1,2,3,4-tetrahydro-5,8-dimethyl-, Acetate (en)