135710-30-4

3H-Indolium,2-[3-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-2-[(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)methyl]-1-propenyl]-1,3,3-trimethyl-,(Z,Z)-, tetrafluoroborate(1-)