Synonyms: DIMETHYLAMINOPHENYLFLUORONE;9-(4'-DIMETHYLAMINOPHENYL)-2,6,7-TRIHYDROXYFLUORONE SULFATE;9-(4'-Dimethylaminophenyl)-2,6,7-trihydroxyfluorene sulfate;[4-(2,6,7-trihydroxy-3-oxo-3H-xanthenyl)phenyl]dimethylammonium hydrogen sulphate;dimethylaminophenylfluorone (so called);9-(4''-DIMETHYLAMINOPHENYL)-2,6,7-TRIHYDROXYFLUORENE SULFATE HYDRATE