1,10-Dihydronootkatone 2(1H)-Naphthalenone, octahydro-4,4a-dimethyl-6-(1-methylethenyl)-, (4R-(4alpha,4aalpha,6beta,8abeta))- 20489-53-6 4Betah,5alpha-eremophil-11-en-2-one Dihydronootkatone Octahydro-4,4A-dimethyl-6-(1-methylethenyl)-2(1H)-naphthalenone, (4R-(4alpha,4aalpha,6beta,8abeta))-