Ethyl 3-bromo-4-(chloromethyl)-2-(difluoromethyl)pyridine-6-carboxylate
Ethyl 3-bromo-2-(chloromethyl)-6-(difluoromethyl)pyridine-5-carboxylate
2-Bromo-6-(difluoromethyl)-5-(trifluoromethyl)pyridine-3-acetic acid
Ethyl 3-bromo-2-(chloromethyl)-5-(difluoromethyl)pyridine-6-carboxylate