A member of the class of octahydronaphthalenes that is 1,2,3,4,4a,7,8,8a-octahydronaphthalene which is substituted at position 1 by a 3-hydroxy-3-methylpent-1-en-5-yl group and a methyl group, and by further methyl groups at positions 2, 4, and 5 (the 1R,2S,4aS,8aS stereoisomer; the stereochemistry at the tertiary alcohol was not determined).