#hydantoin  any of a group of anticonvulsant drugs used in treating epilepsy
  supertype:  anticonvulsant_drug__anticonvulsant__antiepileptic__antiepileptic_drug__antiepilepticdrug  a drug used to treat or prevent convulsions (as in epilepsy)
  subtype:  diphenylhydantoin__phenytoin__Dilantin  an anticonvulsant drug (trade name Dilantin) used to treat epilepsy and that is not a sedative

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