SMILES: C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)CCC4=C3C=CC(=C4OC)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 glucuronide anion that is the conjugate base of 4-methoxy-17beta-estradiol 3-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, a beta-D-glucosiduronate and a monocarboxylic acid anion. It is a conjugate base of a 4-methoxy-17beta-estradiol 3-O-(beta-D-glucuronide).