| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| N | NERVOUS SYSTEM | 神经系统 |
| N01 | ANESTHETICS | 麻醉药 |
| N01B | ANESTHETICS, LOCAL | 局部麻醉药 |
| N01BA | Esters of aminobenzoic acid | 氨苯甲酸酯类 |
| N01BB | Amides | 酰胺类 |
| N01BC | Esters of benzoic acid | 苯甲酸酯类 |
| N01BX | Other local anesthetics | 其它局部麻醉药 |