Antibiotics
- B1982 NadifloxacinSummary: topical fluoroquinolone antibiotic
- B1983 Nafcillin SodiumSummary: narrow-spectrum, beta-lactam antibiotic
- B2161 NanchangmycinTarget: AntibioticSummary: Polyether antibiotic
- B1796 Netilmicin SulfateSummary: Active aminoglycoside antibiotic
- B1800 NithiamideSummary: Antibiotic used in veterinary
- B1802 OrbifloxacinSummary: Synthetic broad-spectrum fluoroquinolone antibiotic
- B1808 Paromomycin SulfateSummary: Aminoglycoside antibiotic
- B1678 Penicillin G SodiumTarget: AntibioticSummary: penicillin antibiotic
- B1818 Piperacillin SodiumSummary: Semisynthetic, broad-spectrum, ampicillin derived ureidopenicillin antibiotic
- B1825 Ribostamycin SulfateSummary: aminoglycoside antibiotic