Synonyms: Zn-Tcpp;Zinc(II) tetrakis(4-carboxyphenyl)porphine;AC1NUQY3;27647-84-3;zinc; 4-[10,15-bis(4-carboxylatophenyl)-20-[4-(dioxidomethylidene)cyclohexa-2,5-dien-1-ylidene]porphyrin-24-id-5-yl]benzoate; hydron;Zincate(4-), ((4,4',4'',4'''-(21H,23H-porphine-5,10,15,20-tetrayl)tetrakis(benzoato))(6-)-N21,N22,N23,N24)-, tetrahydrogen, (SP-4-1)-