• N03AA Barbiturates and derivatives 3 drugs
• N03AB Hydantoin derivatives 3 drugs
• N03AD Succinimide derivatives 2 drugs
• N03AE Benzodiazepine derivatives 2 drugs
• N03AF Carboxamide derivatives 7 drugs
• N03AG Fatty acid derivatives 14 drugs
• N03AX Other antiepileptics 93 drugs