3-Bromo-2-nitro-5-(trifluoromethoxy)pyridine-6-sulfonyl chloride
Methyl 4-chloro-5-cyano-2-(trifluoromethoxy)pyridine-3-carboxylate
2-Chloro-4-fluoro-3-methoxy-5-(trifluoromethoxy)pyridine
Methyl 4-chloro-3-cyano-5-(trifluoromethoxy)pyridine-2-carboxylate