4-(Chloromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylic acid
2-(Aminomethyl)-5-cyano-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
5-Amino-3-bromo-4-cyano-2-(trifluoromethoxy)pyridine
3-Cyano-5-(difluoromethyl)-2-hydroxy-6-methylpyridine