2-Chloro-3-hydroxy-5-methyl-4-(trifluoromethoxy)pyridine
2-Cyano-4-(difluoromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine
2-Cyano-3-(difluoromethyl)-6-hydroxy-5-(trifluoromethoxy)pyridine
3-Chloro-6-hydroxy-2-methoxy-4-(trifluoromethoxy)pyridine
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