5-Bromo-3-cyano-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-Bromo-5-fluoro-2-(trifluoromethoxy)pyridine-3-carboxylic acid
Methyl 3-bromo-6-chloro-4-(trifluoromethoxy)pyridine-2-carboxylate
4-Bromo-3-fluoro-5-(trifluoromethoxy)pyridine-2-carboxylic acid