Ciprofloxacin Hydrochloride hydrate (also known as Bay-09867) is a broad-spectrum, carboxyfluoroquinolone antibiotic/antimicrobial interfering with the bacterial DNA gyrase, inhibiting the DNA synthesis, and preventing bacterial cell growth.

Cefazolin sodium (cefazoline and cephazolin) is a 1st generation beta-lactam class of antibiotic used for the treatment of a number of bacterial infections.

Minocycline HCl (NSC 141993; Periocline; Klinomycin; Minocin; Solodyn; Minocin), the hydrochloride salt of minocycline, is a potent, oral and broad-spectrum tetracycline antibiotic used to treat a number of bacterial infections such as pneumonia.

Tilmicosin is a potent macrolide antibiotic that inhibits protein synthesis in bacteria with IC50 of 0.36 µM.

Rifamycin S (NSC144130; NSC 144130; NSC-144130) is a DNA-dependent RNA polymerase and an impurity of Rifaximin.

Doripenem Hydrate (also known as S-4661 and Finibax) is an ultra-broad-spectrum injectable and carbapenem class of beta-lactam antibiotic which is used to treat complicated intra-abdominal infections and complicated urinary tract infections.

Puromycin (CL13900), an analog of aminoacyl-tRNA (anaminonucleoside), is a potent antibiotic which acts as a protein synthesis inhibitor.