The molecule is a pyrrolizine alkaloid that is erucifoline in which the tertiary amino function has been oxidised to the corresponding N-oxide. It has a role as a Jacobaea metabolite. It is an epoxide, a macrocyclic lactone, an olefinic compound, an organic heteropentacyclic compound, a primary alcohol, a pyrrolizine alkaloid and a tertiary amine oxide. It derives from an erucifoline.
(5R,7S,9Z,12R,18R)-9-ethylidene-7-(hydroxymethyl)-5-methyl-15-oxido-3,6,11-trioxa-15-azoniatetracyclo[10.5.1.05,7.015,18]octadec-1(17)-ene-4,10-dione