SMILES: CCCCC[C@@H](/C=C/[C@H]1[C@@H](C[C@@H]([C@H]1C/C=C\\CCCC(=O)[O-])O)O)O
Description: The molecule is a prostaglandin carboxylic acid anion that is the conjugate base of 8-epi-prostaglandin F2alpha, obtained by deprotonation of the carboxy group. Major structure at pH 7.3. It is a conjugate base of an 8-epi-prostaglandin F2alpha.