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