The molecule is a spirocyclic epoxide obtained by formal addition of a methylene group to the carbonyl moiety of 5-isopropenyl-2-methylcyclohex-2-en-3-one. It is an epoxide and a spiro compound. It derives from a hydride of a (4S)-limonene.
(7R)-4-methyl-7-prop-1-en-2-yl-1-oxaspiro[2.5]oct-4-ene