[4-[bis[4-(diethylamino)phenyl]methylidene]naphthalen-1-ylidene]-ethylazanium; Ethanaminium,N-(4-((4-(diethylamino)phenyl)(4-(ethylamino)-1-naphthalenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl; Base von Victoria Pure Lake Blue BO; O162; Kation von Victoria-Pure-Lake Blue BO; 4,4'-bis diethylamino diphenyl 4''-monoethylamino 1-naphthyl carbocation; Viktoriareinblau; victoria blue BO; Victoria pure blue BO carbocation