| 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 |
| A03BB | Belladonna alkaloids, semisynthetic, quaternary ammonium compounds | 半合成的颠茄生物碱，季铵盐类化合物 |