we present a method for simultaneously determining 12 hypnotics and sedatives ( primidone , methyprylon , phenobarbital , butabarbital , butalbital , ethchlorvynol , pentobarbital , amobarbital , phenytoin , glutethimide , secobarbital and methaqualone ) in 200 microliter of serum .
C0033148
primidone
C0031412
phenobarbital