Methyl 3-bromo-2-cyano-5-(trifluoromethoxy)pyridine-4-carboxylate
4-Bromo-5-methyl-2-(trifluoromethoxy)pyridine-3-acetonitrile
2-Bromo-4-chloro-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
4-Bromo-3-methyl-5-(trifluoromethoxy)pyridine-2-acetonitrile