4-Cyano-2-hydroxy-3-iodo-5-(trifluoromethoxy)pyridine
2-(Aminomethyl)-3-cyano-5-hydroxy-4-(trifluoromethoxy)pyridine
5-Cyano-2-hydroxy-4-nitro-3-(trifluoromethoxy)pyridine
3-Cyano-5-hydroxy-2-iodo-4-(trifluoromethoxy)pyridine
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