Ethyl 3-bromo-5-chloro-6-(difluoromethyl)pyridine-2-carboxylate
4-Bromo-2-chloro-3-(difluoromethyl)pyridine-6-carboxylic acid
3-Bromo-4-chloro-2-(difluoromethyl)pyridine-5-carboxylic acid
Ethyl 3-bromo-4-chloro-6-(difluoromethyl)pyridine-2-carboxylate