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Please change the mechanism for the 1,4-addition! That positive charge next to oxygen looks horrendous! —Preceding unsigned comment added by Devvochem ( talk • contribs) 11:33, 7 November 2010 (UTC) reply

Hydroxy-group should be para to nitrogen! — Preceding unsigned comment added by Acid Demonstration ( talk • contribs) 13:46, 25 February 2011 (UTC) reply

What's with ""the Chemical Inquisition""? 189.226.211.250 ( talk) 19:08, 1 May 2014 (UTC) reply

No references outside copies of this page, so I nuked it.

Riventree ( talk) 15:44, 24 August 2014 (UTC) reply