we present a fully automated high-pressure liquid chromatographic ( hplc ) assay for simultaneous quantitation of five antiepileptic drugs [ ethosuximide ( es ) , primidone , phenobarbital , phenytoin , and carbamazepine ] and their major metabolites [ phenylethylmalondiamide ( pema ) , carbamazepine-10,11-dihydro-10,11-diol ( cbzd ) , and carbamazepine-10,11-epoxide ( cbze ) ] in serum samples without sample pretreatment .
C0033148
primidone
C0031412
phenobarbital