4-Cyano-2-fluoro-5-(trifluoromethoxy)pyridine-3-methanol
4-Chloro-2-(difluoromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine
5-Cyano-3-fluoro-2-(trifluoromethoxy)pyridine-4-methanol
5-Chloro-3-(difluoromethyl)-2-methoxy-4-(trifluoromethoxy)pyridine
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