IUPAC:2-[(1E,3E)-5-[(2E)-3,3-dimethyl-1-octadecyl-2,3-dihydro-1H-indol-2-ylidene]penta-1,3-dien-1-yl]-3,3-dimethyl-1-octadecyl-3H-indol-1-ium perchlorate
IUPAC:2-[(1E,3E)-5-[(2E)-3,3-dimethyl-1-octadecyl-2,3-dihydro-1H-indol-2-ylidene]penta-1,3-dien-1-yl]-3,3-dimethyl-1-octadecyl-3H-indol-1-ium perchlorate