SMILES: C[C@@]1([C@@H](C2=CC3=NC(=CC4=C(C(=C([N-]4)C=C5[C@@]([C@@H](C(=N5)C=C1[N-]2)CCC(=O)O)(C)CC(=O)O)CC(=O)O)CCC(=O)O)C(=C3CC(=O)O)CCC(=O)O)CCC(=O)O)CC(=O)O.[Ni]
Description: The molecule is a metalloporphyrin that is sirohydrochlorin in which the four nitrogen atoms are bound to a central nickel atom. It is a metalloporphyrin and a nickel coordination entity. It derives from a sirohydrochlorin. It is a conjugate acid of a nickel-sirohydrochlorin(8-).