Atenolol

{
  "ndc": [
    "51655-491"
  ],
  "rxcui": [
    "197380"
  ],
  "pharm_class_epc": [
    "beta-Adrenergic Blocker [EPC]"
  ],
  "pharm_class_moa": [
    "Adrenergic beta-Antagonists [MoA]"
  ]
}