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