The chemical Palmatine has a known molecular formula of C21-H22-N-O4. Synonyms may include: 5-21-06-00202 (Beilstein Handbook Reference), Berbericinine, BRN 1555498, Dibenzo(a,g)quinolizinium, 5,6-dihydro-2,3,9,10-tetramethoxy-, O,O-Dimethyldemethyleneberberine, Palmatin, 7,8,13,13a-Tetrahydro-2,3,9,10-tetramethoxyberbinium, UNII-G50C034217 (ChemID).