5298-13-5

(E,Z)-4-(2-butenylidene)-3,5,5-trimethylcyclohex-2-en-1-one (4E)-4-[(Z)-but-2-enylidene]-3,5,5-trimethylcyclohex-2-en-1-one 4-[(1E,2Z)-2-Buten-1-ylidene]-3,5,5-trimethyl-2-cyclohexen-1-one 2-Cyclohexen-1-one, 4-(2Z)-2-buten-1-ylidene-3,5,5-trimethyl-, (4E)-