Synonyms: 21H,23H-Porphine-2,18-dipropanoicacid, 7,12-diethenyl-3,8,13,17-tetramethyl-, disodium salt (9CI); Depocolin S;Disodium protoporphyrin; Prolmon; Protoporphyrin IX disodium salt;Protoporphyrin disodium; Protoporphyrin disodium salt; Protoporphyrin sodium;Protoporphyrin sodium salt