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