SMILES: CCCCC[C@@H](/C=C/[C@H]1[C@@H](CC(=O)[C@@H]1CC(=O)CCCCC(=O)[O-])O)O
Description: The molecule is a prostaglandin carboxylic acid anion that is the conjugate base of 6-oxoprostaglandin E1, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 6-oxoprostaglandin E1.