title: A new antibiotic XK-90. II. The structure of XK-90.
abstract: The new antibiotic, XK-90, produced by Streptomyces sp. is active against Gram-positive and Gram-negative bacteria. The structure has been determined as N-acetyl-N'-(3-formyl-4-hydroxyphenyl)hydrazine (1) and is the second example of a naturally occurring antibiotic having the phenylhydrazine skeleton.
mesh_terms: D000900:Anti-Bacterial Agents; D055598:Chemical Phenomena; D002621:Chemistry; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D010659:Phenylhydrazines
chemical_list: D000900:Anti-Bacterial Agents; D010659:Phenylhydrazines