all benzodiazepines used in this study ( diazepam , chlordiazepoxide , bromazepam , flurazepam , medazepam , nitrazepam , oxazepam , oxazolazepam , lorazepam , estazolam and triazolam ) were administered into the duodenum via a rubber tube implanted previously .
C0012010
diazepam
C0029997
oxazepam