| 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 |
| A03B | BELLADONNA AND DERIVATIVES, PLAIN | 颠茄及其衍生物 |
| A03BA | Belladonna alkaloids, tertiary amines | 颠茄生物碱，叔胺类 |
| A03BA03 | hyoscyamine | 莨菪碱（天仙子胺） 1.2 mg 口服 |