2-chloro-3-(7-chloroheptanoyl)pyridine

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

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

Ethyl 5-(1,3-Dioxolan-2-yl)-2-thenoylformate

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

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

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