3,3'-Diethylthiadicarbocyanine

3-Ethyl-2-[5-(3-ethylbenzothiazol-2(3H)-ylidene)-1,3-pentadienyl]benzothiazol-3-ium

2-[5-(3-Ethyl-2,3-dihydrobenzothiazole-2-ylidene)-1,3-pentadienyl]-3-ethylbenzothiazolium

2-[5-(3-Ethyl-2,3-dihydrobenzothiazole-2-ylidene)-1,3-pentadienyl]-3-ethylbenzothiazole-3-ium