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

2-Chloro-3-picolinoylpyridine

2-Chloro-5-(5-ethoxycarbonyl-2-thenoyl)pyridine

Ethyl 6-(2-chloro-3-pyridyl)-6-oxohexanoate

7-(2-Chloro-3-pyridyl)-7-oxoheptanenitrile

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

5-(2-Chloronicotinoyl)-2-furoic acid

Ethyl 5-(3-oxocyclohexyl)-2-furoate

3-(2-methylbenzoyl)thiophene

3-(3-cyanobenzoyl)thiophene

3-(4-Bromobenzoyl)thiophene