File:Vitamin B12.png
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Vitamin_B12.png (430 × 524 pixels, file size: 7 KB, MIME type: image/png)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:17, 7 August 2005 | 430 × 524 (7 KB) | MarkusZi | Strukturformel Vitamin B12 Source: ChemSketch 8.0 {{GFDL}} Category:chemistry\ |
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