3-Chloro-5-(chloromethyl)-2-iodo-6-(trifluoromethoxy)pyridine
3-Chloro-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Chloro-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylic acid
6-Chloro-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylic acid