6-Fluoro-3-nitro-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
2-Cyano-6-fluoro-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
2-Fluoro-5-nitro-3-(trifluoromethoxy)pyridine-4-carbonyl chloride
2-Fluoro-5-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylic acid