Cefuzonam is a novel cephalosporin with anti-inflammatory and antibacterial activity that can be used in studies of respiratory tract infections, tonsillitis, and hepatobiliary infections.

Sodium Houttuyfonate (Houttuynin sodium bisulfite), the active compound of the Houttuynia plant, is mainly used for treating purulent skin infections, respiratory tract infections, including pneumonia in elderly patients, and chronic bronchitis.

Cefaclor monohydrate (Cefaclorum) is a beta-lactam, second-generation cephalosporin antibiotic with bactericidal activity.

Clofoctol is a bacteriostatic antibiotic with activity against Gram-positive bacteria, used in the treatment of upper and lower respiratory tract infections.

Sitafloxacin (Sitafloxacin anhydrous) is an orally active fluoroquinolone antibiotic with broad-spectrum antimicrobial activity.Sitafloxacin has been used in the study of respiratory tract infections and urinary tract infections.

Lascufloxacin, a potent and orally active fluoroquinolone antibacterial agent, holds potential for the treatment of various infectious diseases, including lower respiratory tract infections. It effectively inhibits infections caused by a wide range of pathogens, encompassing those resistant to quinolones.

Faropenem, a highly efficacious and orally bioavailable beta-lactam antibiotic, exhibits an extensive range of in vitro antimicrobial activity against diverse gram-positive and -negative aerobes and anaerobes. Notably, Faropenem possesses inherent resistance to hydrolysis by virtually all beta-lactamases, including extended-spectrum beta-lactamases and AmpC beta-lactamases. Moreover, Faropenem has been developed as an oral prodrug, namely faropenem medoxomil, for the investigation of respiratory tract infections.

Cefetamet, a cephalosporin antibiotic, shows potential for researching upper and lower community-acquired respiratory tract infections [1].

Dehydroandrographolide succinate (potassium sodium salt), derived from the herbal medicine Andrographis paniculata (Burm f) Nees, is a versatile compound highly utilized for the treatment of viral pneumonia and viral upper respiratory tract infections due to its potent immunostimulatory, anti-infective, and anti-inflammatory properties.

Cefonicid monosodium is the salt form of Cefonicid (free base), a second-generation cephalosporin administered intravenously or intramuscularly. Its bactericidal action results from inhibition of cell wall synthesis. It is used for urinary tract infections, lower respiratory tract infections, and soft tissue and bone infections.

Cefonicid (free base) is a second-generation cephalosporin administered intravenously or intramuscularly. Its bactericidal action results from inhibition of cell wall synthesis. It is used for urinary tract infections, lower respiratory tract infections, and soft tissue and bone infections.

Sulfadimethoxine is a antimicrobial agent, treatment of respiratory, urinary tract, enteric, and soft tissue infections

Sulfadimethoxine (Sulphadimethoxine) is a sulfanilamide that is used as an anti-infective agent.

Doripenem is a broad-spectrum carbapenem antibiotic effective against both Gram-negative and Gram-positive bacteria, such as S. aureus, S. pneumoniae, E. coli, and K. pneumoniae, with minimum inhibitory concentrations (MICs) ranging from less than 0.015 to 0.3 µg/ml. It has been proven to reduce the viable bacteria count in mouse lung models of chronic P. aeruginosa respiratory tract infection at a dosage of 100 mg/kg per day. Doripenem operates by inhibiting bacterial cell wall synthesis through the formation of stable acyl-enzyme complexes with penicillin-binding proteins, leading to their inactivation. This compound has been utilized in various formulations for the treatment of bacterial infections.

Sitafloxacin-d4 is a deuterated compound of Sitafloxacin. Sitafloxacin has a CAS number of 127254-12-0. Sitafloxacin (Sitafloxacin anhydrous) is an orally active fluoroquinolone antibiotic with broad-spectrum antimicrobial activity.Sitafloxacin has been used in the study of respiratory tract infections and urinary tract infections.

Levofloxacin-d8 is a deuterated compound of Levofloxacin. Levofloxacin has a CAS number of 100986-85-4. Levofloxacin is a broad-spectrum antibiotic topoisomerase II and topoisomerase IV inhibitor, used to treat respiratory, urinary tract, gastrointestinal, and abdominal infections.

Sitafloxacin hydrochloride (DU6859a), a potent fluoroquinolone antibiotic with oral activity, demonstrates antichlamydial activity and a broad antibacterial spectrum against gram-positive, gram-negative, and anaerobic bacteria, in addition to atypical pathogens. It is utilized in researching respiratory tract and urinary tract infections [1] [2].

Thiamphenicol glycinate hydrochloride is a broad-spectrum antibacterial agent utilized in research on respiratory tract infections.

Balofloxacin, a quinolone antibiotic, can inhibit the synthesis of bacterial DNA by interfering with the DNA gyrase.

Fenspiride is an antagonist of H1-histamine receptors. Fenspiride is an orally active non-steroidal anti-inflammatory agent that can be used for the treatment of respiratory tract infections and otitis media. Fenspiride inhibited phosphodiesterase 4 and phosphodiesterase 3 activities with -logIC50 values of 4.16+/-0.09 and 3.44+/-0.12, respectively. Phosphodiesterase 5 activity was also inhibited with a -logIC50 value of approximately 3.8.

Lomefloxacin (SC47111A) aspartate is a broad-spectrum quinolone antibacterial agent that can be used in the study of respiratory tract infections, gastrointestinal infections, genitourinary infections, and ear, nose, and throat infections.

Cefetamet is a potent antibiotic to treat respiratory and urinary tract infections.

Cefathiamidine exhibits a wide spectrum of antimicrobial activity against bacteria. Cefathiamidine is used for the treatment of respiratory, liver, five senses, urinary tract infections, endocarditis and sepsis

Levofloxacin-d3 is a deuterated compound of Levofloxacin. Levofloxacin has a CAS number of 100986-85-4. Levofloxacin is a broad-spectrum antibiotic topoisomerase II and topoisomerase IV inhibitor, used to treat respiratory, urinary tract, gastrointestinal, and abdominal infections.

Cefaclor (Panoral) is a cephalosporin antibiotic.

Sulfogaiacol (guaiacolsulfonate) is an antitussive agent, used for acute respiratory tract infections and cough.

Sitafloxacin (DU6859a) monohydrate is a potent, oral fluoroquinolone antibiotic with antichlamydial and broad-spectrum antibacterial activities against gram-positive, gram-negative, anaerobic bacteria, and atypical pathogens. This compound is effective in researching respiratory and urinary tract infections [1] [2].

Temafloxacin (Omniflox) is an antibiotic and antimycobacterial agent. It used to treat lower respiratory tract infections, genital and urinary infections like prostatitis, and skin infections.

Levofloxacin (Fluoroquinolone) is a broad-spectrum antibiotic topoisomerase II and topoisomerase IV inhibitor, used to treat respiratory, urinary tract, gastrointestinal, and abdominal infections.