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