4-Hydroxy-2-methyl-3-(trifluoromethoxy)pyridine-6-acetonitrile
4-(Difluoromethyl)-2-hydroxy-5-iodo-3-(trifluoromethoxy)pyridine
3-Fluoro-5-methoxy-2-(trifluoromethoxy)pyridine-6-acetonitrile
3-(Aminomethyl)-5-fluoro-2-(trifluoromethoxy)pyridine-6-acetonitrile