Ethyl 2-ethylbenzoylformate

Ethyl 4-methoxy-2-methylbenzoylformate

Ethyl 2-(thiomethyl)benzoylformate

cis-1,3-Cyclopentanedicarboxylic acid

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

cis-3-(3,4-dimethylbenzoyl)cyclopentane-1-carboxylic acid

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

cis-3-[2-(4-Chlorophenyl)-2-oxoethyl]cyclopentane-1-carboxylic acid

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

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

cis-3-Carbomethoxycyclohexane-1-carboxylic acid