3-(4-Bromo-3-fluorobenzoyl)thiophene

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

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

5-(1,3-Dioxolan-2-yl)-2-(4-methylbenzoyl)thiophene

5-(1,3-Dioxolan-2-yl)-2-(2-trifluoromethylbenzoyl)thiophene

5-(1,3-Dioxolan-2-yl)-2-(4-Iodobenzoyl)thiophene

5-(1,3-Dioxolan-2-yl)-2-(3-nitrobenzoyl)thiophene

5-(1,3-Dioxolan-2-yl)-2-(4-hexyloxybenzoyl)thiophene

2-(4-n-Butoxybenzoyl)-5-(1,3-dioxolan-2-yl)thiophene

2-(2,3-Dichlorobenzoyl)-5-(1,3-dioxolan-2-yl)thiophene

2-(3,5-Dichlorobenzoyl)-5-(1,3-dioxolan-2-yl)thiophene