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