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NO23C6HOH2

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

Styphnic \Styph"nic\, a. [Gr. (spurious) sty`fein to contract.]
   (Chem.)
   Pertaining to, or designating, a yellow crystalline
   astringent acid, {(NO2)3.C6H.(OH)2}, obtained by the action
   of nitric acid on resorcin. Styphnic acid resembles picric
   acid, but is not bitter. It acts like a strong dibasic acid,
   having a series of well defined salts.
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