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