The molecule is an ionone that is but-3-en-2-one substituted by a 2,6,6-trimethylcyclohex-1-en-1-yl group at position 4. It has a role as an antioxidant and a fragrance.
(E)-4-(2,6,6-trimethylcyclohexen-1-yl)but-3-en-2-one