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