trans-(+)-γ-Irone

(3E)-4-[(1R,5R)-2,5,6,6-Tetramethyl-2-cyclohexen-1-yl]-3-buten-2-one

(E)-4-[(1R)-2,2,3α-Trimethyl-6-methylenecyclohexan-1β-yl]-3-buten-2-one

(3E)-4-[(1R,5R)-5,6,6-Trimethyl-2-methylenecyclohexane-1-yl]-3-butene-2-one