File:Historic Benzene Formulae Armstrong (original).png
Historic_Benzene_Formulae_Armstrong_(original).png (504 × 453 pixels, file size: 12 KB, MIME type: image/png)
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editDescriptionHistoric Benzene Formulae Armstrong (original).png |
Deutsch: Henry Edward Armstrongs Vorschlag für die Benzol-Strukturformel im Original, entnommen aus:
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Date | |
Source | An_Explanation_of_the_Laws_which_govern_Substitution_in_the_case_of_Benzenoid_Compounds.pdf |
Author | Henry Edward Armstrong (1848–1937) |
Other versions | Historic Benzene Formulae Kekulé (original).png |
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.
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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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editThis image is a derivative work of File:An_Explanation_of_the_Laws_which_govern_Substitution_in_the_case_of_Benzenoid_Compounds.pdf licensed with PD-old, uploaded on 2010-08-12T15:43:48Z, by Leyo
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current | 09:55, 14 August 2010 | ![]() | 504 × 453 (12 KB) | Sponk (talk | contribs) | == {{int:filedesc}} == {{Information |Description={{de|Henry Edward Armstrongs Vorschlag für die Benzol-Strukturformel im Original, entnommen aus:}} {{en|[[:en:Henry Edward Armstrong|Henry Edward Armstrong's] |
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