| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| C | CARDIOVASCULAR SYSTEM | 心血管系统 |
| C05 | VASOPROTECTIVES | 血管保护药 |
| C05A | AGENTS FOR TREATMENT OF HEMORRHOIDS AND ANAL FISSURES FOR TOPICAL USE | 治疗痔疮和肛裂的外用药 |
| C05AD | Local anesthetics | 局部麻醉药 |
| C05AD05 | procaine | 普鲁卡因（奴弗卡因） |