3-(4-Trifluoromethylbenzoyl)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

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

n-Butyl 2-pyridyl ketone

2-Tridecanoylpyridine

Octyl picolinate

Cyclohexylmethyl 2-pyridyl ketone