SMILES: CC/C=C\\C[C@@H](/C=C/[C@H]1[C@@H](CC(=O)[C@@H]1C/C=C\\CCCC(=O)[O-])O)O
Description: The molecule is a prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin E3, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a prostaglandin E3.