1-Allyl-3,3-diethyl-5-methyl-2,4-piperidinedione 106463-20-1 2,4-Piperidinedione, 3,3-diethyl-5-methyl-1-(2-propenyl)- 3,3-Diethyl-5-methyl-1-(2-propenyl)-2,4-piperidinedione N-Allylmethyprylon