title: Chemical modifications in the erythromycin group leading to an increase of the antibacterial activity.
mesh_terms: D001419:Bacteria / Q000187:drug effects*; D004917:Erythromycin / Q000031:analogs & derivatives* / Q000494:pharmacology; D013329:Structure-Activity Relationship
chemical_list: C029784:erythromycin A cyclic 11,12-carbonate; D004917:Erythromycin