2-Chloro-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylic acid
3-Cyano-2-(difluoromethyl)-6-iodo-4-(trifluoromethoxy)pyridine
3-Cyano-2-(difluoromethyl)-4-iodo-6-(trifluoromethoxy)pyridine
Ethyl 3-chloro-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-acetate