Ammonium,[.alpha.-[p-(dimethylamino)phenyl]-.alpha.-[4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene]-p-tolyl)ethyldimethyl-,bromide,chloride;benzenaminium,4-[[4-(dimethylamino)phenyl][4-(dimethyliminio)-2,5-cyclohexadie;n-dimethyl-n-1-ylidene]methyl]-n-ethyl-bromidechloride;METHYL GREEN 23S;METHYL GREEN GA;LIGHT GREEN B;IODIN GREEN, GRIESBACH;DOUBLE GREEN