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