3-Bromo-3',4',5'-trifluorobenzophenone

2-Chloro-5-(5-chlorovaleryl)pyridine

2-Chloro-5-(3-oxocyclohexyl)thiophene

3-(3-cyanobenzoyl)thiophene

3-(4-Fluorobenzoyl)thiophene

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

3-(2,4-Dichlorobenzoyl)thiophene

3-Bromo-5-(2-ethoxycarbonylbenzoyl)pyridine

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

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

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