3,4-Difluoro-4'-n-pentylbenzophenone

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

2-Chloro-3-(4-ethoxycarbonylbenzoyl)pyridine

2-Chloro-3-(5-ethoxycarbonyl-2-thenoyl)pyridine

ethyl 5-(2-thenoyl)-2-furoate

Ethyl 8-(6-chloropyridin-3-yl)-8-oxooctanoate

5-(6-Chloronicotinoyl)-2-furoic acid

3-(2-methylbenzoyl)thiophene

3-(4-thiomethylbenzoyl)thiophene

3-(4-Chlorobenzoyl)thiophene

3-(4-Trifluoromethylbenzoyl)thiophene