Synonyms:
3h-indolium,2-[2-[2-chloro-3-[(1,3-dihydro-1,3,3-trimethyl-2h-indol-2-ylidene)ethylidene]-1-cyclopenten-1-yl]ethenyl]-1,3,3-trimethyl-,chloride (9ci) ; ir 797 chloride ; 2-[2-[2-chloro-3-[2-(1,3-dihydro-1,3,3-trimethyl-2h-indol-2-ylidene)-ethylidene]-1-cyclopenten-1-yl-ethenyl]-1,3,3-trimethyl-3h-indolium chloride ; 3h-indolium,2-[2-[2-chloro-3-[2-(1,3-dihydro-1,3,3-trimethyl-2h-indol-2-ylidene)ethylidene]-1-cyclopenten-1-yl]ethenyl]-1,3,3-trimethyl-,chloride (1:1) ; ir-797 chloride dye content 70 %