Synonyms: 10-TERT-BUTYL-8-[5-TERT-BUTYL-3-(10-TERT-BUTYL-10,11-DIHYDRO-9H-BENZO[A]XANTHEN-8-YL-METHYLENE)-2-CHLORO-CYCLOHEX-1-ENYLMETHYLENE]-8,9,10,11-TETRAHYDRO-BENZO[A]XANTHENYLIUM PERCHLORATE;10-TERT-BUTYL-8-((5-TERT-BUTYL-3-((10-TERT-BUTYL-10,11-DIHYDRO-9H-BENZO[A]XANTHEN-8-YL)METHYLENE)-2-CHLOROCYCLOHEX-1-ENYL)METHYLENE)-8,9,10,11-TETRAHYDROBENZO[A]XANTHENIUM PERCHLORATE