<prompt> True about clavulanic acid is ?beta-lactamase inhibitorsExtended spectrum penicillinGram negative bacteriaPlasmid inhibitors  <response>: Ans. is a i.e., beta-lactamase inhibitors Clavulanic acid is a beta-lactamase inhibitor. Addition of clavulanic acid re-estabilishes the activity of amoxicillin against beta-lactamase producing organisms. 