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