SMILES: C[C@]12CC[C@H]3[C@H]([C@@H]1C[C@H](C2=O)O[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)C(=O)[O-])O)O)O)CCC5=C3C=CC(=C5)O
Description: The molecule is a steroid glucuronide anion that is the conjugate base of 16alpha-hydroxyestrone 16-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3. It is a steroid glucosiduronic acid anion and a beta-D-glucosiduronate. It derives from a 16alpha-hydroxyestrone. It is a conjugate base of a 16alpha-hydroxyestrone 16-O-(beta-D-glucuronide).