Synonyms: Porphine,5,10,15,20-tetra-p-tolyl- (8CI); Porphine, a,b,g,d-tetra-p-tolyl- (7CI); 5,10,15,20-Tetra(p-tolyl)porphine;5,10,15,20-Tetra-p-methylphenylporphyrin; 5,10,15,20-Tetra-p-tolylporphyrin;5,10,15,20-Tetrakis(4-methylphenyl)-21H,23H-porphine;5,10,15,20-Tetrakis(4-methylphenyl)porphyrin;5,10,15,20-Tetrakis(p-methylphenyl)porphyrin; 5,10,15,20-Tetrakis(p-tolyl)porphyrin;Tetra(p-methylphenyl)porphyrin; Tetra-p-tolylporphyrin;Tetrakis(p-tolyl)porphyrin; meso-5,10,15,20-Tetrakis(p-tolyl)porphyrin;meso-Tetra(4-methylphenyl)porphyrin; meso-Tetra-p-tolylporphine;meso-Tetra-p-tolylporphyrin; meso-Tetrakis(4-methylphenyl)porphyrin;meso-Tetrakis(4-tolyl)porphine; meso-Tetrakis(p-tolyl)porphyrin; a,b,g,d-Tetrakis(4-methylphenyl)porphine