(-)-(S)-1-(p-Hydroxyphenoxy)-3-(isopropylamino)-2-propanol hydrochloride (S)-4-(2-Hydroxy-3-((1-methylethyl)amino)propoxy)phenol hydrochloride 57526-81-5 61260-05-7 CGP 7760B EINECS 262-676-5 H 133/22 PRENALTEROL HYDROCHLORIDE Phenol, 4-(2-hydroxy-3-((1-methylethyl)amino)propoxy)-, hydrochloride, (S)- Prenalterol hydrochloride [USAN]