2-Amino-6-(fluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetonitrile
4-(Difluoromethyl)-2-hydroxy-3-iodo-5-methoxypyridine
6-(Difluoromethyl)-3-iodo-2-methoxypyridine-4-acetonitrile
3-(Aminomethyl)-2-chloro-4-(difluoromethyl)pyridine-5-carboxylic acid