drug release and dissolution behaviour of 1- ( 3'-hydroxyphenyl ) -2-amino-ethan-1-ol hydrochloride ( norfenefrine-hcl ) from a sustained-release norfenefrine preparation ( esbuphon ) were tested by an in vitro dissolution model in comparison with other norfenefrine formulations .
C0771744
esbuphon
C0068986
formulations