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|  | The Anatomical Therapeutic Chemical (ATC) classification system |  | 
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 Level 5
 
 J - Antiinfectives for systemic useJ01 - Antibacterials for systemic useJ01E - Sulfonamides and TrimethoprimJ01EB - Short-acting sulfonamidesJ01EB04 - Sulfapyridine
 
 Sulfapyridine
 
 
 
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