6-(Chloromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylic acid
2-(Chloromethyl)-5-(difluoromethyl)-4-fluoro-3-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-6-hydroxy-4-methoxy-3-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-5-hydroxy-6-methoxy-3-(trifluoromethoxy)pyridine