4-Bromo-2-iodo-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
Ethyl 2-chloro-4-cyano-3-(trifluoromethoxy)pyridine-5-carboxylate
5-Bromo-3-iodo-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
Ethyl 2-bromo-6-methyl-3-(trifluoromethoxy)pyridine-5-carboxylate