3-Chloro-5-hydroxy-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-Bromo-5-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylic acid
Ethyl 6-chloro-3-cyano-2-(trifluoromethoxy)pyridine-4-carboxylate
4-Bromo-3-(fluoromethyl)-5-(trifluoromethoxy)pyridine-2-carboxylic acid