Synonyms: NK 1143;2-((1E,3Z)-3-CHLORO-5-[1-ETHYL-2(1H)-QUINOLINYLIDENE]-1,3-PENTADIENYL)-1-ETHYLQUINOLINIUM 4-METHYLBENZENESULFONATE;QUINOLINIUM, 2-[3-CHLORO-5-(1-ETHYL-2(1H)-QUINOLINYLIDENE)-1,3-PENTADIENYL]-1-ETHYL-, SALT WITH 4-METHYLBENZENESULFONIC ACID (1:1);