(S)-Mephenytoin (TRC-M225000-100MG) Lee mas (+/-)-4-Hydroxy Mephenytoin (TRC-H944875-5MG) Lee mas (S)-4-Hydroxy Mephenytoin (TRC-H944870-5MG) Lee mas rac N-Desmethyl Mephenytoin-D5 (Major) (TRC-D292062-25MG) Lee mas (+/-)-4-Hydroxy Mephenytoin-d3 (TRC-H944877-2.5MG) Lee mas (+/-)-4-Hydroxy Mephenytoin (TRC-H944875-10MG) Lee mas (+/-)-4-Hydroxy Mephenytoin-d3 (TRC-H944877-25MG) Lee mas (S)-Mephenytoin (TRC-M225000-10MG) Lee mas (S)-4-Hydroxy Mephenytoin (TRC-H944870-10MG) Lee mas