4-Bromo-2-nitro-3-(trifluoromethoxy)pyridine-5-sulfonamide
5-Bromo-4-iodo-2-(trifluoromethoxy)pyridine-3-acetic acid
5-Bromo-3-nitro-4-(trifluoromethoxy)pyridine-2-sulfonamide
3-Bromo-4-iodo-5-(trifluoromethoxy)pyridine-2-acetic acid
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