The molecule is a methyl ketone that is alpha-ionone in which a hydrogen at position 5 of the cyclohex-2-en-1-yl ring is substituted by a methyl group. It is a methyl ketone and an enone. It derives from an alpha-ionone.
(E)-4-(2,5,6,6-tetramethylcyclohex-2-en-1-yl)but-3-en-2-one