User talk:DMacks

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File:Methanol formylation.png[edit]

Hi DMacks. The bond on the right hand side appears to be very short (like a dot almost). Could you make it a bit longer? --Leyo 12:43, 12 May 2015 (UTC)

Looks like a bug in several recent versions of Mac ChemDraw. I'll edit it manually later today... DMacks (talk) 16:46, 13 May 2015 (UTC)
Sometimes it helps to select everything and just move it a bit. --Leyo 17:47, 13 May 2015 (UTC)
Always looked fine on-screen, never saved any better, so I had to manually edit it:( DMacks (talk) 04:27, 14 May 2015 (UTC)


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I didn't upload this file. You should ask User:Magnus Manske who did. Octave.H (talk) 15:09, 29 July 2015 (UTC)

I didn't bother notifying that bot-manager, but I did also notify the user to used the bot to do the upload. (The gadget blindly notifies everyone who did an upload, in case there are license-relevant changes or a later editor has additional info the original did not.) DMacks (talk) 16:17, 29 July 2015 (UTC)
The "Original upload log" sections clearly indicates it was this guy. --Magnus Manske (talk) 17:37, 31 July 2015 (UTC)
Yup. Inactive for almost 4 years, and not exactly a strong history of good-faith editing (including potential license misrepresentation for this file in particular). I didn't bother to do the cross-wiki notification. But it would be interesting if the commons gadgets would do so automatically in general. DMacks (talk) 19:35, 31 July 2015 (UTC)

Modification of Tetrahydroxanthenone chemical structure.png[edit]

On looking at the article entitled 4-hydroxyphenylpyruvate dioxygenase inhibitor, which I had written quite a few years ago, I realized that my original structure as well as yours are both incorrect in that they both neglected to add a double bond that resulted from the cyclization. I replaced it with an image entitled Tetrahydroxanthenone corrected chemical structure.png. It is done in the same format as your image and looks fine on the page. I seldom contribute to Wikipedia and am not all that experienced with removing images. I see now that my original image as well as your follow-up image really should be removed. If you can do so for both images, that would be most appreciated. If not, I will work to remove only my original image that was done in (I believe) ChemSketch.