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

     N04A ANTICHOLINERGIC AGENTS

       N04AA Tertiary amines

         N04AA01 Trihexyphenidyl [DG:DG00851]

         N04AA02 Biperiden [DG:DG00852]

         N04AA03 Metixene [DG:DG00853]

         N04AA04 Procyclidine [DG:DG00854]

         N04AA05 Profenamine [DG:DG00855]

         N04AA08 Dexetimide [DG:DG00856]

         N04AA09 Phenglutarimide

         N04AA10 Mazaticol [DG:DG00857]

         N04AA11 Bornaprine

         N04AA12 Tropatepine [DG:DG00858]

       N04AB Ethers chemically close to antihistamines

       N04AC Ethers of tropine or tropine derivatives

     N04B DOPAMINERGIC AGENTS

     N04C OTHER ANTIPARKINSON DRUGS

   N05 PSYCHOLEPTICS

   N06 PSYCHOANALEPTICS

   N07 OTHER NERVOUS SYSTEM DRUGS

 P ANTIPARASITIC PRODUCTS, INSECTICIDES AND REPELLENTS

 R RESPIRATORY SYSTEM

 S SENSORY ORGANS

 V VARIOUS