Ethyl 5-bromo-2-methyl-3-(trifluoromethoxy)pyridine-6-carboxylate
3-Bromo-6-iodo-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
Ethyl 4-bromo-3-methyl-6-(trifluoromethoxy)pyridine-2-carboxylate
5-Bromo-2-iodo-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride