N-allyl-4-piperidone;1-(2-propenyl)-4-piperidone;1-allyl-piperidin-4-one;N-allyl-4-piperidinone;1-(2-Propenyl)-4-piperidinone;1-allyltetrahydro-4(1H)-pyridinone;1-(allyl)-4-piperidone;4-Piperidinone,1-(2-propenyl);allyltetrahydropyridinone;1-(prop-2-en-1-yl)piperidin-4-one