| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| C | CARDIOVASCULAR SYSTEM | 心血管系统 |
| C02 | ANTIHYPERTENSIVES | 抗高血压药 |
| C02L | ANTIHYPERTENSIVES AND DIURETICS IN COMBINATION | 抗高血压药和利尿药的复方 |
| C02LG | Hydrazinophthalazine derivatives and diuretics | 肼酞嗪衍生物和利尿药 |
| C02LG02 | hydralazine and diuretics | 肼屈嗪和利尿药 |