Methyl 2-(bromomethyl)-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 2-(bromomethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-6-carboxylate
5-Cyano-4-(difluoromethyl)pyridine-2-carboxaldehyde
Ethyl 5-(bromomethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylate