Synonyms: 1-Ethyl-4-[7-(1-ethyl-4(1H)-quinolylidene)-1,3,5-heptatrienyl]quinoliniumiodide (7CI); Quinolinium,1-ethyl-4-[7-(1-ethyl-4(1H)-quinolinylidene)-1,3,5-heptatrienyl]-, iodide(9CI); Quinolinium,1-ethyl-4-[7-(1-ethyl-4(1H)-quinolylidene)-1,3,5-heptatrienyl]-, iodide (8CI);1,1'-Diethyl-4,4'-quinotricarbocyanine iodide; 4,4'-Quinotricarbocyanineiodide; 4,4'-Quinotricarbocyanine iodide, 1,1'-diethyl-; NK 124; NK 124 (dye);Xenocyanine