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