Synonyms: Phenol,3,3',3'',3'''-(5,10,15,20-porphinetetrayl)tetra- (8CI);5,10,15,20-Tetra(m-hydroxyphenyl)porphyrin;5,10,15,20-Tetrakis(3'-hydroxyphenyl)porphine;5,10,25,20-Tetrakis(3-hydroxyphenyl)porphyrin; Tetra(3-hydroxyphenyl)porphine;m-THPP; meso-Tetrakis(3-hydroxyphenyl)porphyrin