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