(2R-(2alpha,4aalpha,8abeta))-1,2,3,4,4a,5,6,8a-Octahydro-4a,8-dimethyl-2-(1-methylethenyl)naphthalene 473-13-2 ALPHA-SELINENE Naphthalene, 1,2,3,4,4a,5,6,8a-octahydro-4a,8-dimethyl-2-(1-methylethenyl)-, (2R-(2alpha,4aalpha,8abeta))-