1  Agents affecting nervous system and sensory organs

 2  Agents affecting individual organs

   21  Cardiovascular agents

   22  Respiratory organ agents

   23  Digestive organ agents

   24  Hormones

   25  Urogenital and anal organ agents

   26  Epidermides

     261  Antimicrobial agents

       2611  Chlorates

       2612  Iodates

       2613  Borates

       2614  Peroxides

       2615  Alcohols

       2616  Medical soaps

       2619  Others

     262  Skin protectants

     263  Suppurative dermatosis agents

     264  Analgesics, anti-itchings, astringents, anti-inflammatory agents

     265  Antiparasitic dermatosis agents

     266  Emollients

     267  Hair remedies

     268  Bath preparations

     269  Miscellaneous

   27  Dental preparations

   29  Other agents affecting individual organs

 3  Agents affecting metabolism

 4  Agents affecting cellular function

 5  Crude drugs and Chinese medicine formulations

 6  Agents against pathologic organisms and parasites

 7  Agents not mainly for therapeutic purpose

 8  Narcotics