[(E)-4,4-dimethoxy-3-methylbut-2-enyl] 2-[2-(2,2-dimethylpropanoylamino)-4-oxo-1H-pyrimidin-6-yl]acetate

acetic acid,3-(5,5-dimethyl-1,3-dioxan-2-yl)but-2-en-1-ol

4,4-dimethoxy-3-methylbut-2-enal