2-Bromo-6-(chloromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Chloro-3-hydroxy-5-methoxy-4-(trifluoromethoxy)pyridine
3-Chloro-6-hydroxy-2-iodo-4-(trifluoromethoxy)pyridine
2-Bromo-5-(chloromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylic acid