title: The preparation of alanine peptides of erythromycin A.
mesh_terms: D000409:Alanine; D000900:Anti-Bacterial Agents / Q000138:chemical synthesis* / Q000378:metabolism / Q000494:pharmacology; D001419:Bacteria / Q000378:metabolism; D004917:Erythromycin; D010539:Permeability
chemical_list: D000900:Anti-Bacterial Agents; D004917:Erythromycin; D000409:Alanine