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
6-(Chloromethyl)-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carbonyl chloride