Synonyms: Phenanthridinium,5,5'-[1,2-ethanediylbis(imino-3,1-propanediyl)]bis[3,8-diamino-6-phenyl-,dichloride, dihydrochloride (9CI);5,5'-(4,7-Diazadecamethylene)bis(3,8-diamino-6-phenylphenanthridinium)dichloride dihydrochloride; EthD 1; Ethidium homodimer; Ethidium homodimer 1