Three new cyclopentenone derivatives from Actinoalloteichus nanshanensis NEAU 119

Three new cyclopentenone derivatives from <i>Actinoalloteichus nanshanensis</i> NEAU 119 A new quinoline derivative with cytotoxic activity from Streptomyces sp. neau50 A new quinoline derivative with cytotoxic activity from Streptomyces sp. neau50 A new prenylated indole derivative from endophytic actinobacteria <i>Streptomyces</i> sp. neau-D50 New Polyoxygenated Farnesylcyclohexenones, Deacetoxyyanuthone A and Its Hydro Derivative from the Marine-Derived Fungus Penicillium sp. Bioactive Alkaloids from the Actinomycete <i>Actinoalloteichus</i> sp. ZZ1866 Nonocarbolines A–E, β-Carboline Antibiotics Produced by the Rare Actinobacterium Nonomuraea sp. from Indonesia Cylindrocyclin A, a New Cytotoxic Cyclopeptide from Cylindrocarpon sp. Actinoplanones A and B, new cytotoxic polycyclic xanthones from Actinoplanes sp. Angucyclines from an insect-derived actinobacterium Amycolatopsis sp. HCa1 and their cytotoxic activity