2-(Chloromethyl)-3-cyano-5-(difluoromethyl)pyridine
3-(Bromomethyl)-5-(difluoromethyl)pyridine-2-carboxylic acid
3-(Chloromethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-carbonyl chloride
3-(Bromomethyl)-4-(difluoromethyl)pyridine-2-carboxylic acid