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