Ethyl 5-cyano-2-oxovalerate

Ethyl 3-fluoro-5-methylbenzoylformate

Ethyl 4-(2-tetrahydro-2H-pyranoxy)benzoylformate

Ethyl 2,4,5-trimethylbenzoylformate

cis-3-(2-thiomethylbenzoyl)cyclopentane-1-carboxylic acid

cis-2-benzoylcyclopentane-1-carboxylic acid

cis-2-(4-thiomethylbenzoyl)cyclopentane-1-carboxylic acid

cis-3-[2-(3-bromophenyl)-2-oxoethyl]cyclopentane-1-carboxylic acid

cis-3-[2-oxo-2-(2-trifluoromethylphenyl)ethyl]cyclopentane-1-carboxylic acid

trans-2-(4-cyanobenzoyl)cyclopentane-1-carboxylic acid

trans-2-(2,6-dimethylbenzoyl)cyclopentane-1-carboxylic acid