2-(Bromomethyl)-6-(difluoromethyl)-3-hydroxypyridine-5-acetonitrile
6-(Bromomethyl)-3-(difluoromethyl)-2-hydroxypyridine-4-acetonitrile
3-(Difluoromethyl)-6-hydroxy-4-(trifluoromethyl)pyridine-2-methanol
4-(Bromomethyl)-3-(difluoromethyl)-2-hydroxypyridine-5-methanol