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The curly arrows for the second species seem to be going the wrong way. —Preceding unsigned comment added by 129.94.6.28 (talk • contribs) 23:21, 5 February 2007
- I guess you mean File:Mannich-1.png. This has been marked as disputed on commons. Matthias M. (talk) 07:06, 19 April 2009 (UTC)