File:Britannica Coumarin.png
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Summary
| Description |
English: Formulae of Coumarin and related substances |
| Date | |
| Source | Encyclopædia Britannica, 11th ed., Vol. 7, p. 308 |
| Author | Encyclopædia Britannica |
Licensing
|
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. |  |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:34, 7 May 2015 | | 700 × 100 (6 KB) | Bradype | User created page with UploadWizard |
File usage
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