Studies on new vasodilators, WS-1228 A and B. I. Discovery, taxonomy, isolation and characterization.

Studies on new vasodilators, WS-1228 A and B. I. Discovery, taxonomy, isolation and characterization. WS-7338, new endothelin receptor antagonists isolated from Streptomyces sp. No. 7338. I. Taxonomy, fermentation, isolation, physico-chemical properties and biological activities. WS009 A and B, new endothelin receptor antagonists isolated from Streptomyces sp. No. 89009. I. Taxonomy, fermentation, isolation, physico-chemical properties and biological activities. Amauromine, a new vasodilator Taxonomy, isolation and characterization. W S75624 A and B, New Endothelin Converting Enzyme Inhibitors Isolated from Saccharothrix sp. No. 75624. II. Structure Elucidation of W S75624 A and B. Triacsins, new inhibitors of acyl-CoA synthetase produced by Streptomyces sp. Studies on new antiplatelet agents, WS-30581 A and B. Amauromine, a new vasodilator Taxonomy, isolation and characterization. WS-9659 A and B, novel testosterone 5.ALPHA.-reductase inhibitors isolated from a Streptomyces. I. Taxonomy, fermentation, isolation, physico-chemical characteristics. WS009 A and B, new endothelin receptor antagonists isolated from Streptomyces sp. No. 89009. II. Biological characterization and pharmacological characterization of WS009 A and B.