| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| C | CARDIOVASCULAR SYSTEM | 心血管系统 |
| C04 | PERIPHERAL VASODILATORS | 外周血管扩张剂 |
| C04A | PERIPHERAL VASODILATORS | 外周血管扩张剂 |
| C04AA | 2-amino-1-phenylethanol derivatives | 2-氨基-1-苯基乙醇衍生物 |
| C04AB | Imidazoline derivatives | 咪唑啉衍生物 |
| C04AC | Nicotinic acid and derivatives | 烟酸及其衍生物 |
| C04AD | Purine derivatives | 嘌呤衍生物 |
| C04AE | Ergot alkaloids | 麦角生物碱类 |
| C04AF | Enzymes | 酶类 |
| C04AX | Other peripheral vasodilators | 其它外周血管扩张剂 |