2-Chloro-5-(difluoromethyl)-6-methoxypyridine-3-carboxaldehyde
4-Chloro-2-cyano-3-(difluoromethyl)pyridine-5-carboxylic acid
Methyl 4-bromo-6-(chloromethyl)-2-(difluoromethyl)pyridine-3-acetate
3-Chloro-4-cyano-2-(difluoromethyl)pyridine-5-carboxylic acid