| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| R | RESPIRATORY SYSTEM | 呼吸系统 |
| R02 | THROAT PREPARATIONS | 咽喉用药 |
| R02A | THROAT PREPARATIONS | 咽喉用药 |
| R02AD | Anesthetics, local | 局部麻醉药 |
| R02AD01 | benzocaine | 苯佐卡因 |
| R02AD02 | lidocaine | 利多卡因（赛罗卡因） |
| R02AD03 | cocaine | 可卡因 |
| R02AD04 | dyclonine | 达克罗宁 |