Synonyms: Benzoicacid, 4,4',4'',4'''-(5,10,15,20-porphinetetrayl)tetra- (8CI);4,4',4'',4'''-(21H,23H-Porphine-5,10,15,20-tetrayl)tetrakis(benzoicacid);5,10,15,20-Tetrakis(4-carboxyphenyl)porphine;5,10,15,20-Tetrakis(4-carboxyphenyl)porphyrin;TCPP;TCPP (porphinederivative);Tetra(4-carboxyphenyl)porphine;Tetra(4-carboxyphenyl)porphyrin;Tetra(p-carboxyphenyl)porphyrin;Tetrakis(4-carboxyphenyl)porphine;Tetrakis(4-carboxyphenyl)porphyrin;Tetrakis(p-carboxyphenyl)porphine;Tetrakis(p-carboxyphenyl)porphyrin;meso-Tetra(4-carboxyphenyl)porphine;meso-Tetra(p-carboxyphenyl)porphine;meso-Tetra(p-carboxyphenyl)porphyrin;meso-Tetrakis(4-carboxyphenyl)porphine;meso-Tetrakis(4-carboxyphenyl)porphyrin;meso-Tetrakis(p-carboxyphenyl)porphine;meso-Tetrakis(p-carboxyphenyl)porphyrin;a,b,g,d-Tetrakis(4-carboxyphenyl)porphine;