3-ethyl-2-benzothiazolinone
3-ethyl-2-formylmethylenebenzothiazole
3-ethyl-2-[(3-ethyl-3H-benzothiazol-2-ylidene)methyl]benzothiazolium iodide
3,3'-diethylthiacarbocyanine iodide
3-Ethyl-2-{(1E,3E)-5-[3-ethyl-3H-benzothiazol-(2Z)-ylidene]-penta-1,3-dienyl}-benzothiazol-3-ium; iodide