2-Cyano-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-6-carboxylic acid
3-(Bromomethyl)-6-(difluoromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine
5-Amino-4-(difluoromethyl)-2-iodo-3-methoxypyridine
4-(Bromomethyl)-3-(difluoromethyl)-2-fluoro-6-iodopyridine