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

   N04 ANTI-PARKINSON DRUGS

   N05 PSYCHOLEPTICS

     N05A ANTIPSYCHOTICS

     N05B ANXIOLYTICS

       N05BA Benzodiazepine derivatives [DG:DG01914]

         N05BA01 Diazepam

         N05BA02 Chlordiazepoxide [DG:DG00908]

         N05BA03 Medazepam [DG:DG00909]

         N05BA04 Oxazepam

         N05BA05 Potassium clorazepate [DG:DG01218]

         N05BA06 Lorazepam

         N05BA07 Adinazolam [DG:DG00911]

         N05BA08 Bromazepam

         N05BA09 Clobazam

         N05BA10 Ketazolam

         N05BA11 Prazepam

         N05BA12 Alprazolam

         N05BA13 Halazepam

         N05BA14 Pinazepam

         N05BA15 Camazepam

         N05BA16 Nordazepam

         N05BA17 Fludiazepam

         N05BA18 Ethyl loflazepate

         N05BA19 Etizolam

         N05BA21 Clotiazepam

         N05BA22 Cloxazolam

         N05BA23 Tofisopam

         N05BA24 Bentazepam

         N05BA25 Mexazolam

         N05BA56 Lorazepam, combinations

       N05BB Diphenylmethane derivatives

       N05BC Carbamates

       N05BD Dibenzo-bicyclo-octadiene derivatives

       N05BE Azaspirodecanedione derivatives

       N05BX Other anxiolytics

     N05C HYPNOTICS AND SEDATIVES

   N06 PSYCHOANALEPTICS

   N07 OTHER NERVOUS SYSTEM DRUGS

 P ANTIPARASITIC PRODUCTS, INSECTICIDES AND REPELLENTS

 R RESPIRATORY SYSTEM

 S SENSORY ORGANS

 V VARIOUS