NSC-305263
National Institutes of Health
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logical^ properties of fredericamycin A (FM-A, NSC-305263) a novel antitumor antibiotic produced by Streptomyces griseus (FCRC-48…
IR, UV-visible spectroscopy, circular dichroism, xll and 13C NMRstudies, high resolution electron impact, field desorption, and…