SMILES: C[C@]12CC[C@H]3[C@H]([C@@H]1C[C@H]([C@@H]2O)O)CCC4=C3C=CC(=C4)O[C@H]5[C@@H]([C@H]([C@@H]([C@H](O5)C(=O)O)O)O)O
Description: The molecule is a steroid glucosiduronic acid that is the 3-beta-D-glucuronide of estriol; a steroid hormone ligand recognised by the monoclonal antibody 4155. It has a role as an epitope and an estrogen. It is a 17beta-hydroxy steroid, a 16alpha-hydroxy steroid and a steroid glucosiduronic acid. It derives from an estriol. It is a conjugate acid of an estriol 3-O-(beta-D-glucuronide)(1-). It derives from a hydride of an estrane.