3-Hydroxy-5-methoxy-4-(trifluoromethoxy)pyridine-2-acetonitrile
5-Hydroxy-4-methoxy-2-(trifluoromethoxy)pyridine-3-acetonitrile
2-(Chloromethyl)-3-(difluoromethyl)-6-fluoro-5-(trifluoromethoxy)pyridine
3-Hydroxy-4-methoxy-5-(trifluoromethoxy)pyridine-2-acetonitrile