[(2,3-dimethyl-4-oxocyclohexa-2,5-dien-1-ylidene)amino] 3,5-dinitrobenzoate

(E)-N-(2-chloroprop-2-enyl)-N-phenylbut-2-enamide

6-methyldeca-2,5-dien-4-one

undec-2-en-5-yn-4-one

N-(5,5-dimethyl-3-oxocyclohexen-1-yl)but-2-enamide