3,5-Difluoro-2-hydroxy-4-(trifluoromethoxy)pyridine
2-(Fluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine
2-(Fluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine
5-(Chloromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine
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