the effects of heparin , 1,000 u intravenously , on the blood , plasma , and free concentrations of diazepam and its metabolite , n-desmethyldiazepam , have been investigated 3 hr after oral administration of 10 mg diazepam to 5 normal subjects .
C0011279
desmethyldiazepam
C0012010
diazepam