(3-Propylrhodanine-(5))-(1-delta-triethylammonium sulfobutyl-1,4-dihydroquinoline-(4))-tetramethinemerocyanine 1(4H)-Quinolinebutanesulfonic acid, 4-(4-(4-oxo-3-propyl-2-thioxo-5-thiazolidinylidene)-2-butenylidene)- 77673-48-4 Dye xxiii