Synonyms: AC1NX6TV;LS-54529;61004-83-9;Cobaltate(4-), ((4,4',4'',4'''-(21H,23H-porphine-5,10,15,20-tetrayl)tetrakis(benzenesulfonato))(6-)-N(sup 21),N(sup 22),N(sup 23),N(sup 24))-, tetrasodium, (SP-4-1)-;tetrasodium; cobalt(2+); 4-[10,15,20-tris(4-sulfonatophenyl)porphyrin-22,23-diid-5-yl]benzenesulfonate