Synonyms: Ammonium, [a-[p-(dimethylamino)phenyl]-a-[4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene]-p-tolyl]trimethyl-,dichloride (8CI);Benzenaminium,4-[[4-(dimethylamino)phenyl][4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene]methyl]-N,N,N-trimethyl-,dichloride (9CI);C.I. Basic Blue 20 (7CI);Light green (6CI);Basic Blue 20;C.I. Basic Violet 3, compd. with chloromethane (1:1);Double green;