3-Bromo-2-fluoro-5-(trifluoromethoxy)pyridine-6-acetonitrile
3-Bromo-2-(chloromethyl)-6-methoxy-5-(trifluoromethoxy)pyridine
3-Bromo-6-(difluoromethyl)-2-methoxy-5-(trifluoromethoxy)pyridine
4-Bromo-3-(chloromethyl)-6-iodo-2-(trifluoromethoxy)pyridine