asthpul dl-isadrinehydrochloride 1,[3',4'-DIHYDROXYPHENYL]-2-ISOPROPYLAMINOETHANOL HYDROCHLORIDE 4-[1-HYDROXY-2-[(1-METHYLETHYL)AMINO]ETHYL]-1,2-BENZENEDIOL HYDROCHLORIDE DL-3,4-DIHYDROXY-N-ISOPROPYLPHENYLETHANOL AMINE HCL DL-ISOPROTERENOL HYDROCHLORIDE ISOPROPYLARTERENOL HYDROCHLORIDE ISOPRENALINE HCL