phenytoin , carbamazepine , phenobarbital , primidone , phensuximide , methsuximide , alpha-methyl-alpha-phenylsuccinimide , and high concentrations of clonazepam are anticonvulsant drugs that preferentially prevent maximal electroshock seizures ( mes ) and generalized tonic-clonic convulsions ;
C0031412
phenobarbital
C0033148
primidone