title: The use of carbon-13 nuclear magnetic resonance (Cmr) spectroscopy in biosynthetic studies. Incorporation of carboxyl and methyl carbon-13 labeled acetates into cephalosporin C.
mesh_terms: D000085:Acetates / Q000378:metabolism; D002247:Carbon Isotopes; D002511:Cephalosporins / Q000096:biosynthesis*; D009682:Magnetic Resonance Spectroscopy
chemical_list: D000085:Acetates; D002247:Carbon Isotopes; D002511:Cephalosporins