| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| M | MUSCULO-SKELETAL SYSTEM | 肌肉-骨骼系统 |
| M03 | MUSCLE RELAXANTS | 肌肉弛缓药 |
| M03A | MUSCLE RELAXANTS, PERIPHERALLY ACTING AGENTS | 外周作用的肌肉松弛药 |
| M03AX | Other muscle relaxants, peripherally acting agents | 外周作用的肌肉松弛药 |
| M03AX01 | botulinum toxin | 肉毒杆菌毒素 |