Dosiero:Spermine.svgDescriptionSpermine.svg Chemical structure of spermine. Date 28 July 2006 Source Selfmade with ChemDraw. Author Calvero. Permission (Reusing this file)
Dosiero:Spermine.gifFile:Spermine.svg is a vector version of this file. It should be used in place of this GIF file when not inferior. File:Spermine.gif → File:Spermine.svg For
Dosiero:Polyamine synthesis.svgDescriptionPolyamine synthesis.svg English: Biosynthesis of spermidine and spermine from putrescine. Ado = 5'-adenosyl. Български: Биосинтеза на спермидина