17-Hydroxycyclooctatin, a Fused 5−8−5 Ring Diterpene, from Streptomyces sp. MTE4a

17-Hydroxycyclooctatin, a Fused 5−8−5 Ring Diterpene, from <i>Streptomyces</i> sp. MTE4a Absolute Configuration and Corrected NMR Assignment of 17-Hydroxycyclooctatin, a Fused 5–8–5 Tricyclic Diterpene Studies on Terpenoids Produced by Actinomycetes: Oxaloterpins A, B, C, D, and E, Diterpenes from Streptomyces sp. KO-3988 Studies on Terpenoids Produced by Actinomycetes: Oxaloterpins A, B, C, D, and E, Diterpenes from <i>Streptomyces</i> sp. KO-3988 New Diterpene and Indole Alkaloid Analogs from the Streptomyces malaysiensis SCSIO 41397 Spirograterpene A, a Tetracyclic Spiro-Diterpene with a Fused 5/5/5/5 Ring System from the Deep-Sea-Derived Fungus <i>Penicillium granulatum</i> MCCC 3A00475 A new pyrrolosesquiterpene isolated from cultures of Streptomyces sp. A new cyclic tetrapeptide from an endophytic<i>Streptomyces</i>sp. YIM67005 A New Cycloamphilectene Metabolite from the Vanuatu Sponge <i>Axinella</i> sp. Isolation, structure elucidation, and antibacterial evaluation of the metabolites produced by the marine-sourced Streptomyces sp. ZZ820