This image of a simple structural formula is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship.
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2010-02-24 21:13 DMacks 2874×2293× (53030 bytes) {{Information | Description= {{en|Possible anhydride products from double-dehydration of [[:en:ethylenetetracarboxylic acid|ethylenetetracarboxylic acid]]}} | Source= Self-made in [[en:ChemDraw|ChemDraw]] | Date= ~~~ | Author= [[User:DMacks|
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{{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|== Comments == High-resolution black/white .PNG made with ChemDraw — see [[:en:Wikip