quinhydrone
  氫□
  quin·hy·drone /ˌkwɪnˈhaɪˌdron/ 名詞
  Quin·hy·drone n.  Chem. A green crystalline substance formed by the union of quinone with hydroquinone, or as an intermediate product in the oxidation of hydroquinone or the reduction of quinone. [Written also chinhydrone.]
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