Synonyms: 4-[(1R)-2-amino-1-hydroxy-ethyl]benzene-1,2-diol; (2R,3R)-2,3-dihydroxybutanedioic acid; hydrate;1,2-Benzenediol, 4-(2-amino-1-hydroxyethyl)-, (R)-, (2R,3R)-2,3-dihydroxybutanedioate (1:1) (salt), monohydrate;1,2-Benzenediol, 4-(2-amino-1-hydroxyethyl)-, (R)-, (R-(R*,R*))-2,3-dihydroxybutanedioate (1:1) (salt), monohydrate;Levarterenol bitartrate monohydrate;(-)-alpha-(Aminomethyl)-3,4-dihydroxybenzyl alcohol tartrate (1:1) (salt) monohydrate;L-Noradrenaline bitartrate monohydrate;(-)-Norepinephrine bitartrate salt monohydrate;Arterenol, tartrate, monohydrate;Noradrenaline bitartrate monohydrate;Norepinephe Bitartrate;L-Norepinephrine bitartrate 1-hydrate;Norepinephrine bitartrate;Noradrenaline Bitratrate;