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