SMILES: C/C/1=C/2\\[C@@]([C@@H](C(=N2)/C=C\\3/[C@@]([C@@H](/C(=C/C4=NC(=C(C4CC(=O)[O-])CCC(=O)[O-])CC5=C(C(=C1[N-]5)CC(=O)[O-])CCC(=O)[O-])/[N-]3)CCC(=O)[O-])(C)CC(=O)[O-])CCC(=O)[O-])(C)CC(=O)[O-].[Co]
Description: The molecule is a precorrin carboxylic acid anion obtained by deprotonation of the carboxy groups of cobalt-precorrin-3; major species at pH 7.3. It is a conjugate base of a cobalt-precorrin-3.