Ethyl 6-(bromomethyl)-3-(difluoromethyl)-4-iodopyridine-2-carboxylate
Ethyl 5-(difluoromethyl)-4-iodo-2-(trifluoromethyl)pyridine-3-carboxylate
Methyl 2-(bromomethyl)-3-(difluoromethyl)-5-iodopyridine-6-acetate
4-(Bromomethyl)-3-(difluoromethyl)-2-iodopyridine-5-acetic acid