Enallylpropymal

5-allyl-5-isopropyl-1-methylbarbituric acid

1-methyl-5-propan-2-yl-5-prop-2-enyl-1,3-diazinane-2,4,6-trione

1-Methyl-5-(1-methylethyl)-5-(2-propenyl)-2,4,6(1H,3H,5H)-pyrimidinetrione