File:Purine structure.png

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	03:09, 10 June 2007		901 × 863 (4 KB)	Cacycle	{{Information \| Description=Chemical structure of purine, a simple aromatic ring \| Source=Selfmade \| Date= 9 June 2007 \| Author=Cacycle (talk) \| Permission=[[:en:GN

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