we describe a procedure for determining 2-ethyl-2-phenylmalonamide ( i ) in serum of epilepsy patients dosed with primidone ( ii ) for seizure control , by extracting the sample with chloroform under basic conditions , with use of an internal standard , 2-ethyl-2- ( p-tolyl ) malonamide , and without derivative formation .
C0014544
epilepsy
C0036572
seizure