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