The molecule is a pyrrolizine alkaloid that is jacoline in which the secondary hydroxy group has been replaced by a chlorine. It has a role as a Jacobaea metabolite. It is a macrocyclic lactone, an organic heterotricyclic compound, a pyrrolizine alkaloid, a tertiary amino compound, a diol and an organochlorine compound. It derives from a jacoline.
(1R,4R,6R,7R,17R)-4-[(1R)-1-chloroethyl]-4,7-dihydroxy-6,7-dimethyl-2,9-dioxa-14-azatricyclo[9.5.1.014,17]heptadec-11-ene-3,8-dione