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