Ethyl 4-(2-Chloro-4-(methylthio)phenyl)-4-oxobutanoate

Ethyl 4-(3-Methyl-2-thienyl)-4-oxobutanoate

Ethyl 4-(3-Bromo-2-thienyl)-4-oxobutanoate

Ethyl 4-(2,4,5-Trimethylphenyl)-4-oxobutanoate

Ethyl 4-(2,3,5,6-Tetramethylphenyl)-4-oxobutanoate

Ethyl 5-(4-Methoxy-2-methylphenyl)-5-oxovalerate

Ethyl 5-(5-Fluoro-2-methoxyphenyl)-5-oxovalerate

Ethyl 5-(2-Methoxy-5-methylphenyl)-5-oxovalerate

Ethyl 5-(3-Chloro-4-methylphenyl)-5-oxovalerate

(1,3-Dioxolan-2-ylmethyl)cyclohexane

2,5-Dichloro(1,3-dioxolan-2-ylmethyl)benzene