| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| A | ALIMENTARY TRACT AND METABOLISM | 消化道及代谢 |
| A03 | DRUGS FOR FUNCTIONAL GASTROINTESTINAL DISORDERS | 治疗功能性胃肠疾病的药物 |
| A03A | Drugs for functional gastrointestinal disorders | 治疗功能性肠道疾病的药物 |
| A03AB | Synthetic anticholinergics, quaternary ammonium compounds | 合成的抗胆碱能药物，季铵盐化合物类 |
| A03AB06 | otilonium bromide | 奥替溴铵 |