The molecule is a macrodiolide that is 13,19-didehydrosenecionan bearing two additional hydroxy substituents at positions 12 and 18 as well as two additional oxo groups at positions 11 and 16. It has a role as a genotoxin, a mutagen and a carcinogenic agent. It is a pyrrolizine alkaloid, an organic heterotricyclic compound, an olefinic compound and a macrodiolide. It derives from a senecionan.
(1R,4Z,7S,17R)-4-ethylidene-7-hydroxy-7-(hydroxymethyl)-6-methylidene-2,9-dioxa-14-azatricyclo[9.5.1.014,17]heptadec-11-ene-3,8-dione