in this article assays are described for caffeine , theophylline , procainamide , n-acetylprocainamide , quinidine , dihydroquinidine , paracetamol , phenobarbital , phenytoin , carbamazepine , chloramphenicol , oxazepam , temazepam , diazepam , desmethyldiazepam , chlordiazepoxide , desmethylchlordiazepoxide and demoxepam using a uniform working procedure , five ( slightly ) different mobile phases and one hplc system .
C0029997
oxazepam
C0012010
diazepam