Ethyl 5-(bromomethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-4-acetate
2-(Chloromethyl)-3-hydroxy-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
5-(Chloromethyl)-2-(difluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine
2-(Chloromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-5-methanol