3d image of agmatine skeletal formula

agmatine 4-aminobutyl guanidine aminoguanidine modulatory neurotransmitter ion channel polyamine metabolism membrane transporter neurotransmission nadph oxidase matrix metalloproteases 3d bioprecursor appetite synthesis catabolism iupac pharmacophore nervous brain memory cycle neuroscience synthon precursor contraindications effect nomenclature overdose medicine pharmacy drug name path pharmaceutical side stress fema endogenous pharmaceutics pharmacodynamics preparation receptor signaling medication cure iatrogenic interaction