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