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