SMILES: CC(CCC[C@@H](/C=C/[C@H]1[C@@H](C[C@H]2[C@@H]1C/C(=C/CCCC(=O)[O-])/O2)O)O)O
Description: The molecule is a prostaglandin carboxylic acid anion that is the conjugate base of 19-hydroxyprostaglandin I2, obtained by deprotonation of the carboxy group; major species at pH 7.3. It derives from a prostaglandin I2(1-). It is a conjugate base of a 19-hydroxyprostaglandin I2.