5-Cyano-3-nitro-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3-(Aminomethyl)-4-cyano-2-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Fluoro-5-(difluoromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine
5-Cyano-4-nitro-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride