4-Amino-3-nitro-2-(trifluoromethoxy)pyridine-5-sulfonamide
4-Amino-6-nitro-3-(trifluoromethoxy)pyridine-2-sulfonamide
4-Amino-3-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
4-Amino-2-hydroxy-5-(trifluoromethoxy)pyridine-3-sulfonamide
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