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