1-Ethyl-2-[5-[1-ethyl-6-(methoxycarbonyl)-2(1H)-quinolinylidene]-1,3-pentadien-1-yl]-6-(methoxycarbonyl)quinolinium Tosylate has Quinoline (Q700380(P)) as substructures. Quinoline derivatives could have anticancer, antibacterial and antiviral properties.