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