| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| N | NERVOUS SYSTEM | 神经系统 |
| N07 | OTHER NERVOUS SYSTEM DRUGS | 其它神经系统用药 |
| N07B | DRUGS USED IN ADDICTIVE DISORDERS | 用于病态成瘾的药物 |
| N07BC | Drugs used in opioid dependence | 用于阿片依赖的药物 |
| N07BC03 | levacetylmethadol | 左醋美沙朵 |