non-pregnant and day-14 pregnant mice treated with a single dose of primidone ( 5 to 150 mg/kg ) by gastric intubation were bled at 1 and 4 h after dosage , and the plasma analysed for primidone , phenobarbitone and phenylethylmalondiamide ( pema ) by g.l.c .
C0033148
primidone
C0031412
phenobarbitone