1,1',3,3,3',3'-Hexamethylindotricarbocyanine 1,3,3-Trimethyl-2-(7-(1,3,3-trimethylindol-2-ylidene)-1,3,5-heptatrienyl)indolium perchlorate 16595-48-5 2-(7-(1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)hepta-1,3,5-trienyl)-1,3,3-trimethyl-3H-indolium perchlorate 3H-Indolium, 2-(7-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-1,3,5-heptatrienyl)-1,3,3-trimethyl-, perchlorate EINECS 240-652-5