DescriptionPenicillinG.svg Structure of the original penicillin from the yeast Penicillium notatum Date 2 August 2006, 08:08 (UTC) Source Own work Author
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DescriptionPenicillin spheroplast generation.svg English: Diagram depicting the failure of bacterial cell division in the presence of a cell wall synthesis
DescriptionPenicillin spheroplast generation horizontal.svg English: Derived work of File:Penicillin spheroplast generation.svg by Mcstrother 1=Diagram