pretreatment with tilorone hydrochloride ( 50 mg/kg ) 48 hr prior to the administration of procainamide hydrochloride ( 50 mg/kg ) resulted in a 32 % increase in the urinary recovery of n-acetylprocainamide and a 35 % increase in the metabolic clearance of procainamide to n-acetylprocainamide .
C0600311
procainamide
C0033216
procainamide