2-Hydroxyiminomethyl-4-quinolinecarboxylic acid
2-Hydroxyiminomethyl-4-quinolinecarboxylic acid ??
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2-Hydroxyiminomethyl-4-quinolinecarboxylic acid ?? ?? ? ???
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2-Hydroxyiminomethyl-4-quinolinecarboxylic acid ?? ??
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