Talk:Negative hyperconjugation

External links modified (February 2018)
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I have just modified one external link on Negative hyperconjugation. 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/20120324085532/http://old.iupac.org/goldbook/NT07081.pdf to http://old.iupac.org/goldbook/NT07081.pdf

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Cheers.— InternetArchiveBot  (Report bug) 11:36, 15 February 2018 (UTC)