Brizzi, V Chemical modifications of the aliphatic bridge of ansamycins. Synthesis and activity of 25-deacetoxy-25-epi-hydroxyrifamycin S. [electronic resource] - The Journal of antibiotics May 1983 - 516-21 p. digital Publication Type: Journal Article ISSN: 0021-8820 Standard No.: 10.7164/antibiotics.36.516 doi Subjects--Topical Terms: Anti-Bacterial AgentsChemical PhenomenaChemistryDNA-Directed RNA Polymerases--antagonists & inhibitorsLactams, MacrocyclicRifamycins--chemical synthesisStructure-Activity Relationship