2-Bromo-6-methyl-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-Bromo-2-(difluoromethyl)-5-nitro-3-(trifluoromethoxy)pyridine
2-Bromo-3-(chloromethyl)-6-nitro-5-(trifluoromethoxy)pyridine
6-Bromo-3-methyl-4-(trifluoromethoxy)pyridine-2-carboxaldehyde