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