SMILES: CC(=O)C12C3=C([C@@](C(=N3)CC4=C(C(=C(N4)CC5=C([C@](C(=N5)/C=C(\\N1)/[C@H]([C@]2(C)CC(=O)[O-])CCC(=O)[O-])(C)CC(=O)[O-])CCC(=O)[O-])CC(=O)[O-])CCC(=O)[O-])(C)CCC(=O)[O-])CC(=O)[O-]
Description: The molecule is octaanionic form of precorrin-4 arising from global deprotonation of the carboxy groups; major species at pH 7.3. It is a conjugate base of a precorrin-4.