| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| N | NERVOUS SYSTEM | 神经系统 |
| N05 | PSYCHOLEPTICS | 安定药 |
| N05C | HYPNOTICS AND SEDATIVES | 催眠镇静药 |
| N05CD | Benzodiazepine derivatives | 苯并二氮卓衍生物类 |
| N05CD02 | nitrazepam | 硝西泮（硝基安定） 5 mg 口服 |
| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| N | NERVOUS SYSTEM | 神经系统 |
| N05 | PSYCHOLEPTICS | 安定药 |
| N05C | HYPNOTICS AND SEDATIVES | 催眠镇静药 |
| N05CD | Benzodiazepine derivatives | 苯并二氮卓衍生物类 |
| N05CD02 | nitrazepam | 硝西泮（硝基安定） 5 mg 口服 |