3-(Bromomethyl)-2-cyano-4-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Chloro-4-(chloromethyl)-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine
6-(Aminomethyl)-2-cyano-3-(trifluoromethoxy)pyridine-4-carboxylic acid
2-(Aminomethyl)-5-cyano-4-(trifluoromethoxy)pyridine-3-carboxylic acid