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