6-Chloro-2-cyano-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine
4-Bromo-3-methyl-2-(trifluoromethoxy)pyridine-6-acetonitrile
5-Bromo-2-iodo-3-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Chloro-6-cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine