13-C nuclear magnetic resonance spectrum of gramicidin S-A, a decapeptide antibiotic.
D002247:Carbon Isotopes; D009682:Magnetic Resonance Spectroscopy; D000432:Methanol; D014449:Tyrothricin / Q000032:analysis*
D002247:Carbon Isotopes; D014449:Tyrothricin; D000432:Methanol