SMILES: CC1(C[C@H]2C=C([C@H]3[C@]2(C1)C(=C)C(=O)OC3)C(=O)O)C
Description: The molecule is a sesquiterpene lactone obtained by formal dehydrogenation of the 4-methyl position of pentalenolactone D. It has a role as a bacterial metabolite. It is a sesquiterpene lactone, an organic heterotricyclic compound and an alpha,beta-unsaturated monocarboxylic acid. It is a conjugate acid of a pentalenolactone E(1-).