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