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

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

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

n-Pentyl 2-pyridyl ketone

Cyclohexyl 2-pyridyl ketone

2,2-Dimethylpropyl 2-pyridyl ketone

2,4,4-Trimethylpentyl 2-pyridyl ketone

2-(2-Fluorobenzoyl)pyridine

2-(4-tert-Butylbenzoyl)pyridine

2-(4-Heptylbenzoyl)pyridine

2-(2,4-Dichlorobenzoyl)pyridine