2-Chloro-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylic acid
2-Chloro-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Chloro-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Chloro-3-methoxy-5-(trifluoromethoxy)pyridine-6-methanol