Agmatine sulfate is a bioactive metabolite of the arginine amino acid. It exerts modulatory action at multiple molecular targets such as neurotransmitter systems ion channels and nitric oxide synthesis. It is an endogenous agonist at imidazoline receptor and a NO synthase inhibitor.

SRI-37330 inhibits glucagon secretion and function, reduces hepatic glucose production, and reverses hepatic steatosis.

5-Methoxysalicylic acid is a natural product used as a useful matrix in the MALDI MS analysis of oligonucleotides when combined with spermine