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