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