for the following products
4,4',4'',4'''-(21H,23H-Porphine-5,10,15,20-tetrayl)tetrakis-benzoic acid | 4,4,4,4-(POrphine-5,10,15,20-tetrayl)tetrakis(benzoic acid) | 5,10,15,20-Tetrakis(4-carboxyphenyl)porphyrin | Nickel ionophore II | Tetrakis(4-carboxyphenyl)porphine (TCPP) and meso-Tetra(4-carboxyphenyl)porphine
