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