4-Chloro-3-(difluoromethyl)-5-methoxy-2-(trifluoromethoxy)pyridine
3-Chloro-2-(difluoromethyl)-6-methoxy-5-(trifluoromethoxy)pyridine
6-Cyano-4-methoxy-3-methyl-2-(trifluoromethoxy)pyridine
3-Chloro-6-methoxy-2-(trifluoromethoxy)pyridine-5-acetonitrile