2,3-Difluoro-4-hydroxy-6-(trifluoromethoxy)pyridine
4,6-Dichloro-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine
6-Chloro-3,4-difluoro-2-(trifluoromethoxy)pyridine
4,5-Difluoro-3-(trifluoromethoxy)pyridine-2-sulfonamide
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