(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 4-27-00-07526 (Beilstein Handbook Reference) 509-15-9 BRN 5406576 EINECS 208-095-2 GELSEMINE Gelsemin HSDB 3488 NSC 21729 Spiro(3,5,8-ethanylylidene-1H-pyrano(3,4-c)pyridine-10,3'-(3H)indol)-2'(1'H)-one, 5-ethenyl-3,4,4a,5,6,7,8,8a-octahydro-7-methyl-, (3R-(3alpha,4abeta,5alpha,8alpha,8abeta,9S*,10S*))-