A ALIMENTARY TRACT AND METABOLISM

 B BLOOD AND BLOOD FORMING ORGANS

 C CARDIOVASCULAR SYSTEM

 D DERMATOLOGICALS

 G GENITO URINARY SYSTEM AND SEX HORMONES

 H SYSTEMIC HORMONAL PREPARATIONS, EXCL. SEX HORMONES AND INSULINS

 J ANTIINFECTIVES FOR SYSTEMIC USE

 L ANTINEOPLASTIC AND IMMUNOMODULATING AGENTS

 M MUSCULO-SKELETAL SYSTEM

 N NERVOUS SYSTEM

   N01 ANESTHETICS

   N02 ANALGESICS

   N03 ANTIEPILEPTICS

     N03A ANTIEPILEPTICS

       N03AA Barbiturates and derivatives

       N03AB Hydantoin derivatives

       N03AC Oxazolidine derivatives

       N03AD Succinimide derivatives

       N03AE Benzodiazepine derivatives

       N03AF Carboxamide derivatives

       N03AG Fatty acid derivatives

       N03AX Other antiepileptics

         N03AX03 Sultiame

         N03AX07 Phenacemide

         N03AX09 Lamotrigine

         N03AX10 Felbamate

         N03AX11 Topiramate

         N03AX13 Pheneturide

         N03AX14 Levetiracetam

         N03AX15 Zonisamide

         N03AX17 Stiripentol

         N03AX18 Lacosamide

         N03AX19 Carisbamate

         N03AX21 Retigabine

         N03AX22 Perampanel [DG:DG01901]

         N03AX23 Brivaracetam

         N03AX24 Cannabidiol

         N03AX25 Cenobamate

         N03AX26 Fenfluramine [DG:DG00103]

         N03AX27 Ganaxolone

         N03AX30 Beclamide

   N04 ANTI-PARKINSON DRUGS

   N05 PSYCHOLEPTICS

   N06 PSYCHOANALEPTICS

   N07 OTHER NERVOUS SYSTEM DRUGS

 P ANTIPARASITIC PRODUCTS, INSECTICIDES AND REPELLENTS

 R RESPIRATORY SYSTEM

 S SENSORY ORGANS

 V VARIOUS