5-Bromo-2-(difluoromethyl)-3-hydroxypyridine-6-acetonitrile
2-Bromo-3-(difluoromethyl)-5-hydroxypyridine-6-acetonitrile
5-Bromo-2-(difluoromethyl)-3-hydroxy-4-(trifluoromethyl)pyridine
3-Bromo-2-(difluoromethyl)-5-hydroxypyridine-4-acetonitrile
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