4-Iodo-4'-isopropylbenzophenone

2-Bromo-4'-methylbenzophenone

3,5-Dichloro-4'-methylbenzophenone

2-Chloro-4'-n-propylbenzophenone

3-Bromo-2'-(thiomethyl)benzophenone

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

4'-(1,3-Dioxan-2-yl)-2-trifluoromethylbenzophenone

2-chloro-5-picolinoylpyridine

2-Chloro-3-(2-thenoyl)pyridine

Ethyl 4-(6-chloropyridin-3-yl)-4-oxobutyrate

2-chloro-3-(7-chloroheptanoyl)pyridine