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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 | |
|---|---|---|---|---|---|
| current | 03:59, 14 June 2009 | | 140 × 135 (1 KB) | H Padleckas | 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 | Generalized Chemical Structure of Quaternary Ammonium Cation |
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