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