Ethyl 6-(chloromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-acetate
2-(Bromomethyl)-6-(difluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine
Ethyl 2-(chloromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-4-acetate
4-(Chloromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-3-acetic acid