• J01A Tetracyclines 18 drugs
• J01C Beta-lactam antibacterials, penicillins 138 drugs
• J01D Other beta-lactam antibacterials 155 drugs
• J01E Sulfonamides and trimethoprim 7 drugs
• J01F Macrolides, lincosamides and streptogramins 88 drugs
• J01G Aminoglycoside antibacterials 18 drugs
• J01M Quinolone antibacterials 76 drugs
• J01R Combinations of antibacterials 1 drugs
• J01X Other antibacterials 99 drugs