3-Hydroxy-5-iodo-2-(trifluoromethoxy)pyridine-4-sulfonamide
2-(Bromomethyl)-4-hydroxy-6-nitro-3-(trifluoromethoxy)pyridine
5-Hydroxy-4-iodo-3-(trifluoromethoxy)pyridine-2-sulfonamide
2-(Bromomethyl)-4-hydroxy-3-nitro-6-(trifluoromethoxy)pyridine
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