3-Bromo-2-(difluoromethyl)-6-iodopyridine-4-acetonitrile
2-Fluoro-4-hydroxy-3-(trifluoromethoxy)pyridine-5-acetonitrile
3-(Chloromethyl)-5-(difluoromethyl)-4-fluoropyridine-2-methanol
3-(Aminomethyl)-4-cyano-6-(trifluoromethoxy)pyridine-2-acetic acid