Ethyl 2-bromo-5-chloro-4-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 3-bromo-2-cyano-6-(trifluoromethoxy)pyridine-5-carboxylate
2-Bromo-6-iodo-5-(trifluoromethoxy)pyridine-3-carboxylic acid
Ethyl 3-bromo-2-cyano-5-(trifluoromethoxy)pyridine-4-carboxylate