What is "norspermidine"

n. (context organic compound English) The triamine ''N-(3-aminopropyl)propane-1,3-diamine'' that occurs in some plants and bacteria

Norspermidine is a polyamine of similar structure to the more common spermidine. While norspermidine has been found to occur naturally in some species of plants, bacteria, and algae, it is not known to be a natural product in humans as spermidine is.

Norspermidine is being researched for its use as an antitumor medicine in cancer treatment.