SMILES: C/C/1=C\\C[C@@H](/C(=C/[C@@H]2[C@@H](CC1)C(=C)C(=O)O2)/C)O
Description: The molecule is a heterobicyclic compound that is costunolide in which the pro-S hydrogen at position 3 has been replaced by a hydroxy group. It has a role as a plant metabolite. It is a germacranolide, a secondary allylic alcohol and a heterobicyclic compound. It derives from a costunolide.