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

     N01A ANESTHETICS, GENERAL

     N01B ANESTHETICS, LOCAL

       N01BA Esters of aminobenzoic acid

       N01BB Amides

       N01BC Esters of benzoic acid

       N01BX Other local anesthetics

         N01BX01 Ethyl chloride

         N01BX02 Dyclonine

         N01BX03 Phenol

         N01BX04 Capsaicin

   N02 ANALGESICS

   N03 ANTIEPILEPTICS

   N04 ANTI-PARKINSON DRUGS

   N05 PSYCHOLEPTICS

   N06 PSYCHOANALEPTICS

   N07 OTHER NERVOUS SYSTEM DRUGS

 P ANTIPARASITIC PRODUCTS, INSECTICIDES AND REPELLENTS

 R RESPIRATORY SYSTEM

   R01 NASAL PREPARATIONS

   R02 THROAT PREPARATIONS

     R02A THROAT PREPARATIONS

       R02AA Antiseptics

       R02AB Antibiotics

       R02AD Anesthetics, local

         R02AD01 Benzocaine

         R02AD02 Lidocaine

         R02AD03 Cocaine

         R02AD04 Dyclonine

       R02AX Other throat preparetions

   R03 DRUGS FOR OBSTRUCTIVE AIRWAY DISEASES

   R05 COUGH AND COLD PREPARATIONS

   R06 ANTIHISTAMINES FOR SYSTEMIC USE

   R07 OTHER RESPIRATORY SYSTEM PRODUCTS

 S SENSORY ORGANS

 V VARIOUS