<unk> (injection) is an anticonvulsant that is FDA approved for the treatment of preanesthetic, sedative, hypnotic.   Common adverse reactions include somnolence, syncope, megaloblastic anemia, liver damage,hypersensitivity and angioedema.
Phenobarbital 
Methylphenobarbital
Phenytoin 
Mephenytoin
Levetiracetam 
Cycloserine
Fosphenytoin
Methsuximide