3-(Fluoromethyl)-5-methyl-6-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-(Chloromethyl)-3-methyl-5-(trifluoromethoxy)pyridine-4-carboxaldehyde
4,5-Dibromo-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine
4,5-Dibromo-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine