3-[2,2-dimethyl-3-[(2-methyl-1-oxoallyl)oxy]-1-oxopropoxy]-2,2-dimethylpropyl methacrylate

2-Methylpropenoic acid 3-[2,2-dimethyl-3-[(2-methyl-1-oxo-2-propenyl)oxy]-1-oxopropoxy]-2,2-dimethylpropyl ester