Cefmetazole Sodium (TRC-C242910-100MG) Lee mas Cloxacillin Sodium Salt (TRC-C587460-1G) Lee mas Ampicillin Amino-benzeneacetaldehyde (TRC-A634375-100MG) Lee mas Ampicillin Diketopiperazine Sodium Salt (Mixture of Diastereomers) (TRC-A634313-25MG) Lee mas Azlocillin Sodium Salt (TRC-A930000-1G) Lee mas Azlocillin Sodium Salt (TRC-A930000-250MG) Lee mas Azlocillin Sodium Salt (TRC-A930000-500MG) Lee mas Cephalexin Hydrate (TRC-C256800-500MG) Lee mas