5-Bromo-3-(chloromethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine
3-Bromo-2-(chloromethyl)-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine
2-Chloro-5-hydroxy-4-methoxy-3-(trifluoromethoxy)pyridine
5-Chloro-3-hydroxy-2-iodo-4-(trifluoromethoxy)pyridine