The action of thionyl chloride on the methylene ethers of catechol derivatives. Pt. 2, Piperonyloin, piperil and hydropiperoin / by George Barger and Arthur James Ewins.

  • Barger, George, 1878-1939.
Date:
[1908?]

Licence: Public Domain Mark

Credit: The action of thionyl chloride on the methylene ethers of catechol derivatives. Pt. 2, Piperonyloin, piperil and hydropiperoin / by George Barger and Arthur James Ewins. Source: Wellcome Collection.

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