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.

ML-097 (CID-2160985) is a pan activator of Ras-related GTPases.

Piperazine citrate, an organic compound, consists of a six-membered ring, containing two nitrogen atoms at opposite positions in the ring.