- 1-Butyl-2-[2-[3-[(1-Butyl-6-Chlorobenz[Cd]Indol-2(1h)-Ylidene)Ethylidene]-2-Chloro-1-Cyclohexen-1-Yl]Ethenyl]-6-Chlorobenz[Cd]Indolium Tetrafluoroborat,Dye content 97%, 100mg