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