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