Ethyl 4-oxo-4-(3-thienyl)butyrate

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

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

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

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

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

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

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

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

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

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

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

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

n-Hexyl 2-pyridyl ketone

1-(2-pyridyl)heptan-1,6-dione