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