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