2-Bromo-4-nitro-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride
Ethyl 3-bromo-4-hydroxy-6-(trifluoromethoxy)pyridine-2-carboxylate
2-Bromo-3-nitro-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
3-Bromo-6-iodo-2-(trifluoromethoxy)pyridine-4-acetic acid