2-(Chloromethyl)-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylic acid
3-(Bromomethyl)-4-(difluoromethyl)pyridine-5-acetonitrile
2-(Chloromethyl)-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxylic acid
3-(Bromomethyl)-2-(difluoromethyl)pyridine-5-acetonitrile