4-Chloro-2-cyano-3-nitro-5-(trifluoromethoxy)pyridine
3-Chloro-2-(chloromethyl)-5-hydroxy-6-(trifluoromethoxy)pyridine
5-Chloro-3-cyano-4-nitro-2-(trifluoromethoxy)pyridine
3-Chloro-2-(chloromethyl)-4-hydroxy-5-(trifluoromethoxy)pyridine
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