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|  | The Anatomical Therapeutic Chemical (ATC) classification system |  | 
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 Level 4
 
 J - Antiinfectives for systemic useJ01 - Antibacterials for systemic useJ01E - Sulfonamides and TrimethoprimJ01EA - Trimethoprim and derivatives
 
 J01EA01 - TrimethoprimJ01EA02 - Brodimoprim
 
 
 
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