6-Amino-3-hydroxy-4-nitro-2-(trifluoromethoxy)pyridine
6-Amino-2-fluoro-4-(trifluoromethoxy)pyridine-3-methanol
2-Amino-5-hydroxy-3-nitro-4-(trifluoromethoxy)pyridine
2-Amino-3-hydroxy-5-nitro-6-(trifluoromethoxy)pyridine
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