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C5O3OH2

资料来源 : Webster's Revised Unabridged Dictionary (1913)



   {Croconic acid} (Chem.), a yellow crystalline substance,
      {C5O3(OH)2}, obtained from potassium carboxide, rhodizonic
      acid, and various phenol and quinone derivatives of
      benzene, and forming yellow or orange colored salts.
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