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

3-(4-methylbenzoyl)thiophene

3-(4-Bromobenzoyl)thiophene

3-(3,4-Dimethylbenzoyl)thiophene

3-(3-Trifluoromethylbenzoyl)thiophene

3-(2,6-Dichlorobenzoyl)thiophene

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

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

5-(1,3-dioxolan-2-yl)-2-thienyl 4-oxopentyl ketone

(3-Cyclohexyl)propyl 5-(1,3-dioxolan-2-yl)-2-thienyl ketone

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