Ethyl 3-chloro-6-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate
5-Bromo-2-(chloromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylic acid
Ethyl 5-chloro-2-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylate
4-Bromo-5-(chloromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylic acid