The molecule is a pyrrolizine alkaloid obtained from senecionine by formal addition of hydrogen peroxide across the ethylidene double bond. It has a role as a Jacobaea metabolite. It is a macrocyclic lactone, an organic heterotricyclic compound, a pyrrolizine alkaloid, a triol and a tertiary amino compound. It derives from a senecionine.
(1R,4S,6R,7R,17R)-4,7-dihydroxy-4-[(1R)-1-hydroxyethyl]-6,7-dimethyl-2,9-dioxa-14-azatricyclo[9.5.1.014,17]heptadec-11-ene-3,8-dione