5-Cyano-2-hydroxy-3-methoxy-6-(trifluoromethoxy)pyridine
3-(Aminomethyl)-5-cyano-6-hydroxy-2-(trifluoromethoxy)pyridine
4-Cyano-3-hydroxy-6-methoxy-2-(trifluoromethoxy)pyridine
3-Chloro-6-hydroxy-4-nitro-2-(trifluoromethoxy)pyridine
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