Talk:Perkow reaction

External links modified (January 2018)
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I have just modified one external link on Perkow reaction. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20060208072807/http://bjoc.beilstein-journals.org/content/pdf/1860-5397-1-17.pdf to http://bjoc.beilstein-journals.org/content/pdf/1860-5397-1-17.pdf

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Cheers.— InternetArchiveBot  (Report bug) 13:30, 19 January 2018 (UTC)