Bacampicillin
Bacampicillin is a prodrug of ampicillin and is microbiologically inactive. It is absorbed following oral administration. During absorption from the gastrointestinal tract, bacampicillin is hydrolyzed by esterases present in the intestinal wall. It is microbiologically active as ampicillin, and exerts a bactericidal action through the inhibition of the biosynthesis of cell wall mucopeptides.  It is used to cure infection of upper and lower respiratory tract; skin and soft tissue; urinary tract and acute uncomplicated gonococcal urethritis etc.