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