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