we describe a sensitive , specific , and very fast liquid-chromatographic assay for simultaneously determining five anticonvulsants ( ethosuximide , primidone , phenobarbital , phenytoin , and carbamazepine ) by using commercially available 5- or 3-microns particle size reversed-phase columns and a microflow-cell-equipped ultraviolet detector .
C0033148
primidone
C0031412
phenobarbital