Ethyl 6-(bromomethyl)-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-3-carboxylate
Methyl 5-(bromomethyl)-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-carboxylate
Ethyl 2-(bromomethyl)-6-(difluoromethyl)-3-(trifluoromethyl)pyridine-5-carboxylate
Ethyl 2-(bromomethyl)-5-(difluoromethyl)-6-(trifluoromethyl)pyridine-3-carboxylate