Synonyms: 1-ICOSYL-2-[(E)-3-(1-ICOSYL-3,3-DIMETHYL-1,3-DIHYDRO-2H-INDOL-2-YLIDENE)-1-PROPENYL]-3,3-DIMETHYL-3H-INDOLIUM PERCHLORATE;3H-INDOLIUM, 1-EICOSYL-2-[3-(1-EICOSYL-1,3-DIHYDRO-3,3-DIMETHYL-2H-INDOL-2-YLIDENE)-1-PROPENYL]-3,3-DIMETHYL-, PERCHLORATE