2-Chloro-4-(chloromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine
3-Chloro-4-cyano-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine
3-Chloro-2-cyano-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine
3-(Aminomethyl)-6-chloro-2-(trifluoromethoxy)pyridine-4-acetic acid