title: Metal ion porphyrin interactions. II. Evidence for the nonexistence of sitting atop complexes in aqueous solution.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003300:Copper; D006863:Hydrogen-Ion Concentration; D007477:Ions; D007700:Kinetics; D008670:Metals; D011166:Porphyrins; D012996:Solutions; D013057:Spectrum Analysis
chemical_list: D007477:Ions; D008670:Metals; D011166:Porphyrins; D012996:Solutions; D003300:Copper