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

     N02A OPIOIDS

     N02B OTHER ANALGESICS AND ANTIPYRETICS

       N02BA Salicylic acid and derivatives

       N02BB Pyrazolones

       N02BE Anilides

       N02BG Other analgesics and antipyretics

         N02BG02 Rimazolium

         N02BG03 Glafenine

         N02BG04 Floctafenine

         N02BG05 Viminol [DG:DG00829]

         N02BG06 Nefopam [DG:DG00830]

         N02BG07 Flupirtine [DG:DG00831]

         N02BG08 Ziconotide [DG:DG00832]

         N02BG09 Methoxyflurane

         N02BG10 Cannabinoids

     N02C ANTIMIGRAINE PREPARATIONS

   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