5-Bromo-4-nitro-2-(trifluoromethoxy)pyridine-3-acetic acid
3-(Aminomethyl)-2-bromo-4-(trifluoromethoxy)pyridine-6-carboxylic acid
2-Bromo-6-nitro-4-(trifluoromethoxy)pyridine-3-acetic acid
2-(Aminomethyl)-6-bromo-3-(trifluoromethoxy)pyridine-5-carboxylic acid