Ethyl 4-cyano-2-oxobutyrate

Ethyl 5-acenaphthoylformate

Ethyl 4-bromo-2-methylbenzoylformate

Ethyl 2-cyano-3-fluorobenzoylformate

Ethyl 2,5-dimethoxybenzoylformate

Ethyl 3-(1,3-dioxan-2-yl)benzoylformate

Ethyl 4-fluoro-1-naphthoylformate

Ethyl 4-methoxy-2-methylbenzoylformate

Ethyl 3-(2-tetrahydro-2H-pyranoxy)benzoylformate

Ethyl 2,4,5-trimethylbenzoylformate

cis-3-Carbomethoxycyclopentane-1-carboxylic acid

cis-3-(4-ethylbenzoyl)cyclopentane-1-carboxylic acid

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

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

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