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
5-(Bromomethyl)-3-(difluoromethyl)-4-hydroxypyridine-2-methanol