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