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单词 hyoscyamine
释义 hyoscyamine Chem.|haɪəʊˈsaɪəmaɪn|
[f. next + -ine.]
An extremely poisonous alkaloid (C17H23NO3), obtained from the seeds of Hyoscyamus niger and some other Solanaceæ, isomerous with atropine; used in medicine as a sedative.
1858Hogg Veg. Kingd. 553 The seeds [of henbane]..contain an alkaline principle, called hyoscyamine.1865–72Watts Dict. Chem. III. 236 Hyoscyamine neutralises acids completely.1875Ibid. Suppl. VII. 664 Hyoscyamine sulphate..crystallises over sulphuric acid in radiate groups of white shining needles.
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