SMILES: C1[C@H]([C@@H]([C@H](C1=O)C/C=C\\CCCC(=O)[O-])/C=C/[C@H](CCCCCO)O)O
Description: The molecule is a prostaglandin carboxylic acid anion that is the conjugate base of 20-hydroxyprostaglandin E2, obtained by deprotonation of the carboxy group; major species at pH 7.3. It derives from a prostaglandin E2(1-). It is a conjugate base of a 20-hydroxyprostaglandin E2.