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