2-Chloro-3-fluoro-6-hydroxy-4-(trifluoromethoxy)pyridine
6-Bromo-4-nitro-2-(trifluoromethoxy)pyridine-3-sulfonamide
2-Bromo-4-nitro-5-(trifluoromethoxy)pyridine-3-sulfonamide
2-Bromo-3-nitro-6-(trifluoromethoxy)pyridine-5-sulfonamide
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