2-chloro-5-(5-ethoxycarbonyl-2-furoyl)pyridine

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

Ethyl 8-oxo-8-(3-thienyl)octanoate

5-(1,3-Dioxolan-2-yl)-2-thienyl heptyl ketone

Butyl 5-(1,3-Dioxolan-2-yl)-2-thiophenecarboxylate