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
Ethyl 5-bromo-4-nitro-3-(trifluoromethoxy)pyridine-2-carboxylate