2-Bromo-4-cyano-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine
4-Bromo-2-(chloromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine
3-Bromo-2-hydroxy-5-(trifluoromethoxy)pyridine-4-carboxaldehyde
5-Bromo-3-(chloromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine