The molecule is a pyrrolizine alkaloid that is jacozine in which the tertiary amino function has been oxidised to the corresponding N-oxide. It has a role as a Jacobaea metabolite. It is a macrocyclic lactone, an organic heterotricyclic compound, a pyrrolizine alkaloid, a spiro-epoxide, a tertiary alcohol and a tertiary amine oxide. It derives from a jacozine.
(1R,3'S,4S,7R,17R)-7-hydroxy-3',7-dimethyl-6-methylidene-14-oxidospiro[2,9-dioxa-14-azoniatricyclo[9.5.1.014,17]heptadec-11-ene-4,2'-oxirane]-3,8-dione