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