3-Bromo-2'-(thiomethyl)benzophenone

2-Chloro-3-[2-(3-cyanophenyl)-1-oxoethyl]pyridine

2-chloro-3-(5-ethoxycarbonyl-2-furoyl)pyridine

Ethyl 4-(2-chloro-3-pyridyl)-4-oxobutyrate

6-(2-Chloro-3-pyridyl)-6-oxohexanenitrile

2-bromo-5-(4-nitrobenzoyl)thiophene

3-(4-cyanobenzoyl)thiophene

3-(2-thiomethylbenzoyl)thiophene

3-(2,4-Dimethylbenzoyl)thiophene

3-(2-Chloro-4-fluorobenzoyl)thiophene

3-(3,5-Difluorobenzoyl)thiophene