4-Chloro-3-cyano-2-(difluoromethyl)-6-nitropyridine
4-(Bromomethyl)-3-(difluoromethyl)-6-iodopyridine-2-carboxaldehyde
Methyl 4-(chloromethyl)-6-methyl-2-(trifluoromethoxy)pyridine-3-carboxylate
4-Amino-3-iodo-2-(trifluoromethoxy)pyridine-6-carbonyl chloride