3-Chloro-4-cyano-2-(difluoromethyl)pyridine-5-carboxylic acid
Methyl 2-chloro-5-(difluoromethyl)-3-methoxypyridine-6-carboxylate
2-Chloro-6-cyano-3-(difluoromethyl)pyridine-4-carboxylic acid
Ethyl 4-chloro-3-(difluoromethyl)-2-methoxypyridine-6-carboxylate