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

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

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

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

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

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

2-(2,6-Dimethylbenzoyl)-5-(1,3-dioxolan-2-yl)thiophene

Octyl picolinate

t-Butyl 2-pyridyl ketone

2-(4-Methoxybenzoyl)pyridine

2-(3-Bromobenzoyl)pyridine