2-Fluoro-5-hydroxy-3-methoxy-6-(trifluoromethoxy)pyridine
6-(Difluoromethyl)-3-fluoro-4-methyl-2-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-5-fluoro-3-methyl-4-(trifluoromethoxy)pyridine
4-Cyano-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-acetonitrile