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