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