5-Fluoro-2-(fluoromethyl)-3-nitro-4-(trifluoromethoxy)pyridine
3-Cyano-2-hydroxy-6-(trifluoromethoxy)pyridine-5-sulfonyl chloride
4-Fluoro-5-(fluoromethyl)-3-nitro-2-(trifluoromethoxy)pyridine
5-Cyano-4-iodo-2-methyl-3-(trifluoromethoxy)pyridine
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