5-(Chloromethyl)-2-hydroxy-3-iodo-4-(trifluoromethoxy)pyridine
5-(Aminomethyl)-4-(difluoromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine
4-(Chloromethyl)-5-hydroxy-3-iodo-2-(trifluoromethoxy)pyridine
3-(Aminomethyl)-4-(difluoromethyl)-5-fluoro-2-(trifluoromethoxy)pyridine