File:Quaternary Ammonium Cation.PNG
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Quaternary_Ammonium_Cation.PNG (140 × 135 pixels, file size: 1 KB, MIME type: image/png)
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Generalized Chemical Structure of Quaternary Ammonium Cation
H Padleckas created this image file on January 22, 2005 especially for use in a "Quaternary Ammonium Cation" article for Wikimedia. H Padleckas 21:09, 22 Jan 2005 (UTC)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:59, 14 June 2009 | 140 × 135 (1 KB) | H Padleckas (talk | contribs) | changed R_1, R_2, R_3, R_4 to R, R', R'', R''' | |
21:05, 22 January 2005 | 140 × 135 (1 KB) | H Padleckas (talk | contribs) | Generalized Chemical Structure of Quaternary Ammonium Cation |
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