183745-01-9

3H-Indolium,2-[2-[3-[(1,3-dihydro-1,3,3,5-tetramethyl-2H-indol-2-ylidene)ethylidene]-2-(diphenylamino)-1-cyclopenten-1-yl]ethenyl]-1,3,3,5-tetramethyl-,tetrafluoroborate(1-)