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

3-(4-carboethoxybenzoyl)thiophene

3-(2,3-Dimethylbenzoyl)thiophene

3-(2-trifluoromethylbenzoyl)thiophene

3-(2-Chloro-4-fluorobenzoyl)thiophene

3-(3,5-Dichlorobenzoyl)thiophene

Cyclopentyl 3-thienyl ketone

Cyclobutyl 3-thienyl ketone

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

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

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