SMILES: C[C@@]\\1([C@@H](/C/2=C/C3=NC(=C(C3CC(=O)[O-])CCC(=O)[O-])CC4=C(C(=C([N-]4)/C=C\\5/[C@@]([C@@H](C(=N5)/C=C1\\[N-]2)CCC(=O)[O-])(C)CC(=O)[O-])CC(=O)[O-])CCC(=O)[O-])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-2; major species at pH 7.3. It is a conjugate base of a cobalt-precorrin-2.