Methyl 3-(bromomethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylate
3-(Chloromethyl)-5-(difluoromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine
4-(Chloromethyl)-2-(difluoromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine
2-(Chloromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-5-carboxaldehyde