5-(Fluoromethyl)-2-methyl-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-Fluoro-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
3-(Chloromethyl)-4,6-dibromo-2-(trifluoromethoxy)pyridine
4-(Fluoromethyl)-3-methyl-2-(trifluoromethoxy)pyridine-6-carboxaldehyde