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CH2CO2H2

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

Malonic \Ma*lon"ic\, a. (Chem.)
   Pertaining to, or designating, an acid produced artifically
   as a white crystalline substance, {CH2.(CO2H)2}, and so
   called because obtained by the oxidation of malic acid.
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