Ethyl 2-bromo-3-(chloromethyl)-6-(trifluoromethoxy)pyridine-5-carboxylate
2-Bromo-6-methoxy-3-(trifluoromethoxy)pyridine-5-carboxylic acid
Ethyl 2-bromo-3-(chloromethyl)-5-(trifluoromethoxy)pyridine-4-carboxylate
2-Bromo-4-methoxy-3-(trifluoromethoxy)pyridine-6-carboxylic acid