title: Letter: Nocardicin A and B, novel monocyclic beta-lactam antibiotics from a Nocardia species.
mesh_terms: D000900:Anti-Bacterial Agents / Q000302:isolation & purification*; D055598:Chemical Phenomena; D002621:Chemistry; D007769:Lactams; D008722:Methods; D009615:Nocardia / Q000378:metabolism*; D047090:beta-Lactams / Q000302:isolation & purification
chemical_list: D000900:Anti-Bacterial Agents; D007769:Lactams; D047090:beta-Lactams; C027318:nocardicin