Methyl 3-bromo-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-6-carboxylate
5-Chloro-2-(difluoromethyl)-3-fluoropyridine-4-carboxaldehyde
Methyl 2-bromo-5-(difluoromethyl)-3-(trifluoromethyl)pyridine-6-carboxylate
Ethyl 2-chloro-3-(difluoromethyl)-5-fluoropyridine-6-carboxylate