Talk:Isobutane (data page)

External links modified
Hello fellow Wikipedians,

I have just modified one external link on Isobutane (data page). 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/20070630043133/http://siri.org/msds/index.php to http://www2.siri.org/msds/index.php

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Cheers.— InternetArchiveBot  (Report bug) 13:41, 17 November 2017 (UTC)