| 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 |
| M03B | MUSCLE RELAXANTS, CENTRALLY ACTING AGENTS | 中心作用的肌肉弛缓药 |
| M03BC | Ethers, chemically close to antihistamines | 化学与抗组胺药近似的醚类 |
| M03BC01 | orphenadrine (citrate) | 枸橼酸奥芬那君 0.12 g 口服 |
| M03BC01 | orphenadrine (citrate) | 枸橼酸奥芬那君 0.12 g 注射 |
| M03BC51 | orphenadrine 35 mg/paracetamol 0.45 g | 奥芬那君，复方 |