3-(Bromomethyl)-4-(difluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine
2-(Bromomethyl)-5-(difluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine
3-(Bromomethyl)-5-hydroxy-4-(trifluoromethoxy)pyridine-2-acetonitrile
6-(Bromomethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-4-acetonitrile