| 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 |
| R03C | ADRENERGICS FOR SYSTEMIC USE | 系统用肾上腺素能药 |
| R03CA | Alpha- and beta-adrenoreceptor agonists | α-和β-肾上腺素受体促效药 |
| R03CA02 | ephedrine | 麻黄碱 50 mg 注射 |