for the following products
2-(7-(3,3-Dimethyl-1-octadecylindolin-2-ylidene)hepta-1,3,5-trien-1-yl)-3,3-dimethyl-1-octadecyl-3H-indol-1-ium iodide | Dir'diic18(7) [1,1'-dioctadecyl-3,3,3',3'-tetramethylindotricarbocyanine iodide] and 1,1-Dioctadecyl-3,3,3,3-tetramethylindotricarbocyanine iodide
