File:Britannica Coumarin.png

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Britannica_Coumarin.png (700 × 100 pixels, file size: 6 KB, MIME type: image/png)

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Description
English: Formulae of Coumarin and related substances
Date
Source Encyclopædia Britannica, 11th ed., Vol. 7, p. 308
Author Encyclopædia Britannica

Licensing

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Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

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current12:34, 7 May 2015Thumbnail for version as of 12:34, 7 May 2015700 × 100 (6 KB)Bradype (talk | contribs)User created page with UploadWizard

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