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

         N01BA01 Metabutethamine

         N01BA02 Procaine [DG:DG00298]

         N01BA03 Tetracaine [DG:DG00296]

         N01BA04 Chloroprocaine [DG:DG00800]

         N01BA05 Benzocaine

         N01BA52 Procaine, combinations

         N01BA53 Tetracaine, combinations

       N01BB Amides

       N01BC Esters of benzoic acid

       N01BX Other local anesthetics

   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

 S SENSORY ORGANS

 V VARIOUS