Synonyms:
3h-indolium, 2-[2-[3-[(1,3-dihydro-1,3,3-trimethyl-2h-indol-2-ylidene)ethylidene]-2-(diphenylamino)-1-cyclopenten-1-yl]ethenyl]-1,3,3-trimethyl-, perchlorate ; 3h-indolium, 2-[2-[3-[(1,3-dihydro-1,3,3-trimethyl-2h-indol-2-ylidene)ethylidene]-2-(diphenylamino)-1-cyclopenten-1-yl]ethenyl]-1,3,3-trimethyl-, perchlorate (9ci) ; 2-((e)-2-(2-(diphenylamino)-3-[(e)-2-(1,3,3-trimethyl-1,3-dihydro-2h-indol-2-ylidene)ethylidene]-1-cyclopenten-1-yl)ethenyl)-1,3,3-trimethyl-3h-indolium perchlorate