14620-23-6 6,6'-Dichloro-3,3'-diethylpentamethinethiacyanine iodide 6,6'-Dichloro-3,3'-diethylthiadicarbocyanine iodide BENZOTHIAZOLIUM, 6-CHLORO-2-(5-(6-CHLORO-3-ETHYL-2-BENZOTHIAZOLINYLIDENE)-1,3-PE Benzothiazolium, 6-chloro-2-(5-(6-chloro-3-ethyl-2-benzothiazolinylidene)-1,3-pentadienyl)-3-ethyl-, iodide