ethyl 5-thenoyl-2-thiophene carboxylate

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

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

3-(2-methylbenzoyl)thiophene

3-(3-cyanobenzoyl)thiophene

3-(4-Bromobenzoyl)thiophene

3-(3,5-Dimethylbenzoyl)thiophene

3-(4-Bromo-3-fluorobenzoyl)thiophene

3-(3-Chloro-5-fluorobenzoyl)thiophene

3-(2,5-Dichlorobenzoyl)thiophene

3-(3,4,5-trifluorobenzoyl)thiophene