SMILES: C[C@]12CC[C@H]3[C@H]([C@@H]1C[C@H]([C@H]2O)O)CCC4=C3C=CC(=C4)O
Description: The molecule is a 16alpha-hydroxy steroid that is estriol in which the hydroxy group at position 17 has been epimersied from beta- to alpha- configuration. It is a metabolite of estradiol and a selective estrogen receptor beta (ER-beta) agonist. It has a role as an estrogen receptor agonist, a human urinary metabolite and an estrogen. It is a 16alpha-hydroxy steroid, a 17alpha-hydroxy steroid and a 3-hydroxy steroid. It derives from a hydride of an estrane.