Talk:Archibald Scott Couper

External links modified
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I have just modified 1 one external link on Archibald Scott Couper. 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/20070203062428/https://www.chemheritage.org:80/classroom/chemach/chemsynthesis/couper-kekule.html to http://www.chemheritage.org/classroom/chemach/chemsynthesis/couper-kekule.html

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Cheers.— InternetArchiveBot  (Report bug) 07:08, 17 October 2016 (UTC)