| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| L | ANTINEOPLASTIC AND IMMUNOMODULATING AGENTS | 抗肿瘤药和免疫机能调节药 |
| L01 | ANTINEOPLASTIC AGENTS | 抗肿瘤药 |
| L01A | ALKYLATING AGENTS | 烷基化剂 |
| L01AA | Nitrogen mustard analogues | 氮芥类 |
| L01AB | Alkyl sulfonates | 烷基磺酸酯类 |
| L01AC | Ethylene imines | 乙烯亚胺类 |
| L01AD | Nitrosoureas | 亚硝基脲类 |
| L01AG | Epoxides | 环氧化物类 |
| L01AX | Other alkylating agents | 其它烷基化剂 |