File:Spermidine-2D-skeletal.svg is a vector version of this file. It should be used in place of this PNG file when not inferior. File:Spermidine-2D-skeletal
DescriptionSpermidine-2D-skeletal.svg English: Skeletal formula of spermidine (N1-(3-aminopropyl)butane-1,4-diamine). Date 29 July 2007 (original upload