Synonyms: | Methanaminium,N-[4-[[3,4-bis(sulfomethyl)phenyl][4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-,hydroxide, inner salt, sodium salt; Methanaminium,N-[4-[[3,4-bis(sulfomethyl)phenyl][4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-,inner salt, sodium salt (9CI) |