5-Bromo-4-methyl-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
3-Bromo-4-methyl-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3-Bromo-2-methyl-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-Bromo-6-methyl-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride