4-Cyano-3-hydroxy-5-nitro-2-(trifluoromethoxy)pyridine
2-Fluoro-3-(fluoromethyl)-6-methyl-5-(trifluoromethoxy)pyridine
4-(Bromomethyl)-3-cyano-5-hydroxy-2-(trifluoromethoxy)pyridine
2-Fluoro-3-(fluoromethyl)-5-methyl-4-(trifluoromethoxy)pyridine
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