3-Bromo-2-chloro-6-nitro-5-(trifluoromethoxy)pyridine
4-Bromo-5-(chloromethyl)-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-Cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-6-acetonitrile
3-Amino-5-(difluoromethyl)-2-iodopyridine-6-carbonyl chloride