Synonyms: Naphtho[1,2-d]thiazolium,1-ethyl-2-[7-(1-ethylnaphtho[1,2-d]thiazol-2(1H)-ylidene)-1,3,5-heptatrienyl]-,iodide (9CI); Naphtho[1,2-d]thiazolium,1-ethyl-2-[7-(1-ethylnaphtho[1,2-d]thiazolin-2-ylidene)-1,3,5-heptatrienyl]-,iodide (8CI); 4,5,4',5'-Dibenzothiatricarbocyanine iodide, 3,3'-diethyl- (8CI);3,3'-Diethyl-2,2'-(4,4',5,5'-dibenzo)thiatricarbocyanine iodide;3,3'-Diethyl-4,5,4',5'-dibenzothiatricarbocyanine iodide; DIBENZO;Dibenzocyanin 45; Dibenzocyanine 45; NK 427