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