The chemical Gelsemine has a known molecular formula of C20-H22-N2-O2. Synonyms may include: 4-27-00-07526 (Beilstein Handbook Reference), BRN 5406576, EINECS 208-095-2, (3R-(3alpha,4abeta,5alpha,8alpha,8abeta,9S*,10S*))-5-ethenyl-3,4,4a,5,6,7,8,8a-octahydro-7-methylspiro(3,5,8-ethanylylidene-1H-pyrano(3,4-c)pyridine-10,3'-(3H)indol)-2'(1',H)-one, Gelsemin, HSDB 3488, NSC 21729, Spiro(3,5,8-ethanylylidene-1H-pyrano(3,4-c)pyridine-10,3'-(3H)indol)-2'(1'H)-one (ChemID).