4-Chloro-3-cyano-5-(difluoromethyl)pyridine-2-carboxaldehyde
4-Chloro-3-cyano-2-(difluoromethyl)pyridine-5-carboxaldehyde
Ethyl 3-bromo-2-(difluoromethyl)-6-(trifluoromethyl)pyridine-5-acetate
Ethyl 3-bromo-2-(difluoromethyl)-5-(trifluoromethyl)pyridine-6-acetate