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