4-Amino-3-bromo-2-(trifluoromethoxy)pyridine-5-carboxylic acid
4-Amino-6-bromo-3-(trifluoromethoxy)pyridine-2-carboxylic acid
4-Amino-2-bromo-3-(trifluoromethoxy)pyridine-5-carboxylic acid
5-Amino-3-bromo-4-(trifluoromethoxy)pyridine-2-carboxylic acid