malonicacid

ma·lo·nic acid (mə-lōʹnĭk, -lŏnʹĭk) n.

A white crystalline acid, CH₂(COOH)₂, derived from malic acid and used in making barbiturates.

  [French (acide) malonique, alteration of malique, malic (acid). See malic acid.]

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