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