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