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