(-)-alpha-(1-Aminoethyl)-3,4-dihydroxybenzyl alcohol 1,2-Benzenediol, 4-(2-amino-1-hydroxypropyl)-, (R-(R*,S*))- 18829-78-2 829-74-3 Corbadrina [INN-Spanish] Corbadrinum [INN-Latin] Levonordefrin Levonordefrin [USAN] Neo-Cobefrin Nordefrin, (-)-