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