| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| N | NERVOUS SYSTEM | 神经系统 |
| N06 | PSYCHOANALEPTICS | 精神兴奋药 |
| N06A | ANTIDEPRESSANTS | 抗抑郁药 |
| N06B | PSYCHOSTIMULANTS, AGENTS USED FOR ADHD AND NOOTROPICS | 精神兴奋药，用于治疗注意力缺陷多动症药和益智药 |
| N06C | PSYCHOLEPTICS AND PSYCHOANALEPTICS IN COMBINATION | 安定药和精神兴奋药的复方 |
| N06D | ANTI-DEMENTIA DRUGS | 抗痴呆药 |