| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| R | RESPIRATORY SYSTEM | 呼吸系统 |
| R03 | DRUGS FOR OBSTRUCTIVE AIRWAY DISEASES | 阻塞性气管疾病用药 |
| R03B | OTHER DRUGS FOR OBSTRUCTIVE AIRWAY DISEASES, INHALANTS | 其它阻塞性气管病药，吸入剂 |
| R03BB | Anticholinergics | 抗胆碱能药类 |
| R03BB04 | tiotropium bromide | 噻托溴铵 5 mcg 吸入型溶液 |
| R03BB04 | tiotropium bromide | 噻托溴铵 18 mcg 吸入型粉剂 |