5-Cyano-3-hydroxy-2-iodo-4-(trifluoromethoxy)pyridine
4-(Chloromethyl)-2-fluoro-6-methoxy-3-(trifluoromethoxy)pyridine
2-(Aminomethyl)-3-(difluoromethyl)-4-fluoro-6-(trifluoromethoxy)pyridine
3-(Chloromethyl)-5-fluoro-6-methoxy-2-(trifluoromethoxy)pyridine