1,2,2-trimethyl-cyclopropanol

4-chloro-3,3-dimethylbutane-2-one

3-methylbut-2-en-2-yl acetate

3,3-dimethyl-4-phenylmethoxybutan-2-one

ethyl 2-methyl-2-(2-methyl-1,3-dioxolan-2-yl)propanoate