| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| J | ANTIINFECTIVES FOR SYSTEMIC USE | 系统用抗感染药 |
| J01 | ANTIBACTERIALS FOR SYSTEMIC USE | 系统用抗菌药 |
| J01C | BETA-LACTAM ANTIBACTERIALS, PENICILLINS | β-内酰胺抗菌药，青霉素类 |
| J01CA | Penicillins with extended spectrum | 广谱青霉素类 |
| J01CA11 | mecillinam | 美西林 1.2 g 注射 |