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