Synonyms: 3-Ethyl-2-[(3-ethyl-2-benzothiazolinylidene)propenyl]benzothiazoliumiodide (6CI); Benzothiazolium,3-ethyl-2-[3-(3-ethyl-2(3H)-benzothiazolylidene)-1-propenyl]-, iodide (9CI);Benzothiazolium, 3-ethyl-2-[3-(3-ethyl-2(3H)-benzothiazolylidene)propenyl]-,iodide (4CI); Benzothiazolium, 3-ethyl-2-[3-(3-ethyl-2-benzothiazolinylidene)propenyl]-,iodide (8CI); Thiacarbocyanine iodide, 3,3'-diethyl- (8CI);3,3'-Diethyl-2,2'-thiacarbocyanine iodide;3,3'-Diethylbenzothiazoliumcarbocyanine iodide; 3,3'-Diethylthiacarbocyanineiodide; D 283; DTCI; LC 8760; NK 180; NK 180 (dye); NK 76; S 0290;Thiacarbocyanine iodide; Thiazole Purple