4-Cyano-3-(difluoromethyl)-5-(trifluoromethyl)pyridine-2-carboxaldehyde
Methyl 4-(bromomethyl)-2-cyano-3-(difluoromethyl)pyridine-6-carboxylate
3-Cyano-5-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-carboxaldehyde
Methyl 3-(bromomethyl)-5-cyano-2-(difluoromethyl)pyridine-6-carboxylate