The molecule is a berberine alkaloid with formula C19H18NO4 that is isolated from several species of Stephania. It has a role as a plant metabolite and an EC 3.1.1.7 (acetylcholinesterase) inhibitor. It is a berberine alkaloid, an organic heterotetracyclic compound and an organic cation.
3,9-dimethoxy-5,6-dihydroisoquinolino[2,1-b]isoquinolin-7-ium-2,10-diol