Synonyms: 3,8-Diamino-5-(3-diethylaminopropyl)-6-phenylphenanthridiniumiodide methiodide (6CI); Phenanthridinium,3,8-diamino-5-[3-(diethylmethylammonio)propyl]-6-phenyl-, diiodide (8CI,9CI);Ammonium, [3-(3,8-diamino-6-phenyl-5-phenanthridinio)propyl]diethylmethyl-,diiodide (8CI); 3,8-Diamino-5-(diethylmethylaminopropyl)-6-phenylphenanthridiniumdiiodide; Propidium diiodide; Propidium iodide