3,3'-Diallylthiacarbocyanine iodide 34263-37-1 Benzothiazolium, 3-(2-propenyl)-2-[3-[3-(2-propenyl)-2(3H)-benzothiazolylidene]-1-propenyl]-, iodide Benzothiazolium, 3-allyl-2-[3-(3-allyl-2-benzothiazolinylidene)propenyl]-, iodide NSC96933