Ethyl 3-bromo-5-nitro-2-(trifluoromethoxy)pyridine-4-carboxylate
2-Chloro-4-methyl-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
4-Chloro-2-fluoro-5-(fluoromethyl)-3-(trifluoromethoxy)pyridine
2-Chloro-3-methyl-5-(trifluoromethoxy)pyridine-6-sulfonyl chloride