title: Postulated tetraphenylporphrin-zinc tetraphenylporphyrin sandwich complex.
mesh_terms: D002614:Chelating Agents / Q000032:analysis; D002855:Chromatography, Thin Layer; D008665:Metalloporphyrins / Q000032:analysis*; D015032:Zinc / Q000032:analysis*
chemical_list: D002614:Chelating Agents; D008665:Metalloporphyrins; D015032:Zinc