4-Bromo-3-chloro-2-(trifluoromethoxy)pyridine-5-sulfonamide
2-Bromo-6-iodo-3-methyl-4-(trifluoromethoxy)pyridine
4-Bromo-2-chloro-3-(trifluoromethoxy)pyridine-5-sulfonamide
6-Bromo-3-iodo-4-methyl-2-(trifluoromethoxy)pyridine
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