the metabolites of 1-tert.-butylamino-3- ( 2-cyclopentylphenoxy ) propan-2-ol ( penbutolol , betapressin ) , penbutolol 2-glucuronide , 4'-oh-penbutolol 2-glucuronide , 4'-oh-penbutolol 4-sulfate and 1 '' '' -dehydropenbutolol 2-glucuronide were determined in urine by high-performance liquid chromatography ( hplc ) .
C0030812
penbutolol
C0282292
penbutolol