Synonyms: 1,2-Benzenediol,4-(2-amino-1-hydroxypropyl)-, hydrochloride, [R-(R*,S*)]- (9CI); Benzylalcohol, a-(1-aminoethyl)-3,4-dihydroxy-,hydrochloride, (-)- (8CI); Norephedrine, 3,4-dihydroxy-, hydrochloride (6CI);(-)-Nordefrin hydrochloride; (-)-a-Methylnoradrenalinehydrochloride; L-Nordefrin hydrochloride;[R-(R*,S*)]-4-(2-Amino-1-hydroxypropyl)pyrocatechol hydrochloride