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C5H11NO2

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Amyl nitrite \Amyl nitrite\
   A yellowish oily volatile liquid, {C5H11NO2}, used in
   medicine as a heart stimulant and a vasodilator. The
   inhalation of its vapor instantly produces flushing of the
   face.

Betaine \Be"ta*ine\, n. [From beta, generic name of the beet.]
   (Chem.)
   A nitrogenous base, {C5H11NO2}, produced artificially, and
   also occurring naturally in beet-root molasses and its
   residues, from which it is extracted as a white crystalline
   substance; -- called also {lycine} and {oxyneurine}. It has a
   sweetish taste.
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