| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| N | NERVOUS SYSTEM | 神经系统 |
| N03 | ANTIEPILEPTICS | 抗癫痫药 |
| N03A | ANTIEPILEPTICS | 抗癫痫药 |
| N03AD | Succinimide derivatives | 琥珀酰胺衍生物类 |
| N03AD01 | ethosuximide | 乙琥胺 1.25 g 口服 |
| N03AD02 | phensuximide | 苯琥胺 2 g 口服 |
| N03AD03 | mesuximide | 甲琥胺 0.9 g 口服 |
| N03AD51 | ethosuximide, combinations | 乙琥胺，复方 |