2-Hydroxy-3-methoxy-4-nitro-6-(trifluoromethoxy)pyridine
6-(Chloromethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-2-acetonitrile
2-(Aminomethyl)-4-hydroxy-5-methoxy-3-(trifluoromethoxy)pyridine
2-(Chloromethyl)-5-fluoro-3-(trifluoromethoxy)pyridine-4-acetonitrile