Surfen dihydrochloride (Aminoquinuride dihydrochloride) is a potent small molecule antagonist of heparin sulfate with antibacterial and antiviral activity.

Ampicillin Trihydrate is a β-lactam antibiotic, which inhibits bacterial cell-wall synthesis (peptidoglycan cross-linking) by inactivating transpeptidases on the inner surface of the bacterial cell membrane

Sanfetrinem (GV104326) sodium is a novel orally available β-lactamase antibiotic that shows significant antibacterial activity against Gram-positive and Gram-negative bacteria and can be used in the study of bacterial infections.