3,5-Dibromo-2-(trifluoromethoxy)pyridine-4-sulfonamide
5-(Chloromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine
5-(Difluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine
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