91  Agents affecting nervous system

 92  Agents affecting circulatory organs, respiratory organs and urinary organs

 93  Agents affecting digestive organs

 94  Agents for breeding

 95  Agents for external use

 96  Agents affecting metabolism

 97  Agents against pathogenic micro-organisms and parasites (except biological products and disinfectants)

   971  Sulfonamide preparations

   972  Agents affecting nitorofuran

   973  Synthetic antimicrobials

   974  Antiprotozoan agents

     9741  Aminoquinoline and preparations

     9742  Pyrimethamine and preparations

     9743  Zoline and preparations

     9744  Acridine, derivatives and preparations

     9745  Antithiamine derivatives and preparations

     9746  Mixed preparations

     9749  Other antiprotozoan agents

   975  Anthelmintics for digestive organs

   976  Antibiotic preparations

 98  Biological preparations

 99  Agents for not mainly purpose of therapeutic