Atenolol

{
  "ndc": [
    "48433-004",
    "48433-005",
    "48433-006"
  ],
  "rxcui": [
    "197379",
    "197380",
    "197381"
  ],
  "pharm_class_epc": [
    "beta-Adrenergic Blocker [EPC]"
  ],
  "pharm_class_moa": [
    "Adrenergic beta-Antagonists [MoA]"
  ]
}