2-Chloro-6-(chloromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylic acid
3-Cyano-2-hydroxy-4-(trifluoromethoxy)pyridine-6-sulfonyl chloride
2-Cyano-6-hydroxy-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
6-Chloro-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxaldehyde