Synonyms: 1,2-Ethanediaminium,N-(9,10-dihydro-9,10-ethanoanthracen-11-yl)-N,N,N',N',N'-pentamethyl-, diiodide(9CI); Ammonium,N-(9,10-dihydro-9,10-ethanoanthracen-11-yl)-N,N,N',N',N'-pentamethyl-N,N'-ethylenedi-,diiodide (8CI); 9,10-Ethanoanthracene, 1,2-ethanediaminium deriv.