The molecule is a metalloporphyrin that is sirohydrochlorin a,c-diamide 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 a,c-diamide(6-).
3-[(2S,3S,7S,8S)-3,8-bis(2-amino-2-oxoethyl)-7,13,17-tris(2-carboxyethyl)-12,18-bis(carboxymethyl)-3,8-dimethyl-2,7-dihydroporphyrin-21,23-diid-2-yl]propanoic acid;nickel