. . "mephenytoin"^^ . "a toxic anticonvulsant drug (trade name Mesantoin) used in the treatment of epilepsy when less toxic anticonvulsants have been ineffective"@en-us . . . . "103606943"@en-us . . "03747281-n"^^ . . . "mephenytoin"@en-us . . "0.125"^^ . . "103747281"^^ . . "0"^^ . "Mesantoin"@en-us .