Ethyl 3-(chloromethyl)-6-iodo-2-(trifluoromethoxy)pyridine-4-carboxylate
4-(Chloromethyl)-2-(difluoromethyl)-3-iodopyridine-5-carboxylic acid
5-Amino-4-cyano-2-fluoro-3-(trifluoromethoxy)pyridine
Methyl 4-chloro-2-cyano-5-(difluoromethyl)pyridine-3-carboxylate