Synonyms: RARECHEM AS SA 0042;TETRA-(2,6-DICHLOROPHENYL)-PORPHYRINE;MESO-TETRA(O-DICHLOROPHENYL) PORPHINE;5,10,15,20-TETRAKIS-(2,6-DICHLOROPHENYL)-21,23H-PORPHYRIN;5,10,15,20-TETRAKIS(2,6-DICHLOROPHENYL)PORPHINE;5,10,15,20-TETRAKIS(O-DICHLOROPHENYL)-21H,23H-PORPHINE