2-acetyl-1,2,3,4,5,6,7,8-octahydro-2,3,8,8-tetra-methylnaphtalene(main isomer) / (ethoxymethoxy)cyclododecane / 2,6,6,8-tetramethyl-9-acetyltricyclo{5.3.1.0(1,5)}undec-8-ene / Acetic acid, anhydride, reaction product1,5,10-trimethyl-1,5,9-cyclododecatriene / Elemi oil / (E)-3-methyl-5-cyclopentadecen-1-one.