Text B Penicillin and its Biosynthesis圖片（共1張） :

        The basic structure of the penicillins is 6-aminopenicillanic acid(6-APA)made up of a thiazolidine ring fused with a β-lactam ring.The 6-amino position carries a variety of acyl substituents.In the absence of addition of side-chain precursors to the ferme......（本文共 1481 字, 1 張圖）     [閱讀本文] >>