dopamine molecule

dopamine molecule molecular chemical structural formula model monoamine neurotransmitter hormone mood regulator neuromodulator organic catecholamine phenethylamine vector chemistry science atom medicine brain biology medical symbol biochemistry sign happiness laboratory scientific isolated icon education serotonin atomic skeletal drug emotion endorphin happy research euphoria parkinson health metabolism physiology oxytyramine prolactin inhibiting factor intropin revivan molecule neurotransmitter regulator neuromodulator phenethylamine