| 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 |
| C04AC | Nicotinic acid and derivatives | 烟酸及其衍生物 |
| C04AC01 | nicotinic acid | 烟酸 0.2 g 口服 |
| C04AC01 | nicotinic acid | 烟酸 0.2 g 注射 |