Ethyl 6-(2-chloro-3-pyridyl)-6-oxohexanoate

3-(2-thiomethylbenzoyl)thiophene

3-(3-Fluorobenzoyl)thiophene

3-(3-Chlorobenzoyl)thiophene

3-(4-Trifluoromethylbenzoyl)thiophene

3-(2,4-Dichlorobenzoyl)thiophene

3-(2,6-Dichlorobenzoyl)thiophene

Ethyl 6-oxo-6-(3-thienyl)hexanoate

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

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

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