SMILES: CCCCC[C@@H](/C=C/C1=C(C(=O)CC1)C/C=C\\CCCC(=O)[O-])O
Description: The molecule is a prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin B2, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a prostaglandin B2.