• N03AA Barbiturates and derivatives 4 drugs
• N03AB Hydantoin derivatives 3 drugs
• N03AD Succinimide derivatives 1 drugs
• N03AE Benzodiazepine derivatives 4 drugs
• N03AF Carboxamide derivatives 23 drugs
• N03AG Fatty acid derivatives 28 drugs
• N03AX Other antiepileptics 210 drugs