Synonyms: 1,3-Benzenediol,5-[(1R)-1-hydroxy-2-[[(1R)-2-(4-hydroxyphenyl)-1-methylethyl]amino]ethyl]-,hydrobromide, rel- (9CI); 1,3-Benzenediol,5-[1-hydroxy-2-[[2-(4-hydroxyphenyl)-1-methylethyl]amino]ethyl]-, hydrobromide,(R*,R*)-(?à)-; 1,3-Benzenediol,5-[1-hydroxy-2-[[2-(4-hydroxyphenyl)-1-methylethyl]amino]ethyl]-, hydrobromide,(R*,R*)-