SMILES: CC1C23C4=C([C@@](C(=N4)/C=C\\5/C(=C([C@@]([N-]5)(CC6=C([C@](C(=N6)/C=C(\\[N-]2)/[C@H]([C@@]3(CC(=O)O1)C)CCC(=O)[O-])(C)CC(=O)[O-])CCC(=O)[O-])C)CC(=O)[O-])CCC(=O)[O-])(C)CCC(=O)[O-])CC(=O)[O-].[Co]
Description: The molecule is a precorrin carboxylic acid anion obtained by deprotonation of the carboxy groups of cobalt-precorrin-5A; major species at pH 7.3. It is a conjugate base of a cobalt-precorrin-5A.