4-tert-Butyl-4'-isopropylbenzophenone

2-Chloro-4'-(methylthio)benzophenone

3-Iodo-3',4',5'-trifluorobenzophenone

2-chloro-5-[2-(2-cyanophenyl)-1-oxoethyl]pyridine

2-Chloro-3-picolinoylpyridine

Ethyl 7-(2-chloro-3-pyridyl)-7-oxoheptanoate

Ethyl 5-(2-furanoyl)-2-thiophene carboxylate

2-chloro-5-(6-chlorohexanoyl)pyridine

3-(2-Pyridinyl)cyclohexanone

3-(3-methylbenzoyl)thiophene

3-(2,6-Dimethylbenzoyl)thiophene