3-Bromo-3',4',5'-trifluorobenzophenone

2-chloro-5-(2-thenoyl)pyridine

Ethyl 5-(2-chloro-3-pyridyl)-5-oxovalerate

8-(2-Chloro-3-pyridyl)-8-oxooctanenitrile

2-Chloro-5-(2-furanoyl)pyridine

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

3-(4-methoxybenzoyl)thiophene

3-(3,5-Dimethylbenzoyl)thiophene

3-(2,3-Dichlorobenzoyl)thiophene

3-(2,4-Difluorobenzoyl)thiophene

Ethyl 6-oxo-6-(3-thienyl)hexanoate