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