Biapenem-API; Side Chain for Biapenem Meropenem-API; Side Chain for Meropenem Ertapenem-API; Side chain for Ertapenem Carbapenem of antibiotics was a kind of β-lactam antibiotics,which had novelty structures, It was characterized by powerful and widely antibacterial capability, so it developed very quikly during these years.We offer API of the Carbapenem antibiotics like Biapenem, Meropenem, Ertapenem and the Side chains for them.We are always on the way to offer you the best.Hawk Lee