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I think the molecular structure is wrong. The ethylenic group is placed on the wrong C atom, and indeed it does not correspond to the 3D shape. — Preceding unsigned comment added by 220.127.116.11 (talk) 15:04, 15 October 2013 (UTC)
What kind of scale is chosen for the x-axis in the graph in the article? the intervall [600,700] seems a lot bigger than [400,500] and [500,600]. — Preceding unsigned comment added by 18.104.22.168 (talk) 19:28, 15 February 2016 (UTC)