1,3-Oxazin-6-one Derivatives and Bohemamine-Type Pyrrolizidine Alkaloids from a Marine-Derived Streptomyces spinoverrucosus

1,3-Oxazin-6-one Derivatives and Bohemamine-Type Pyrrolizidine Alkaloids from a Marine-Derived <i>Streptomyces spinoverrucosus</i> 1,3-Oxazin-6-one Derivatives and Bohemamine-Type Pyrrolizidine Alkaloids from a Marine-Derived <i>Streptomyces spinoverrucosus</i> Bohemamines from a Marine-Derived <i>Streptomyces</i> sp. Bohemamines from a Marine-Derived <i>Streptomyces</i> sp. Spithioneines A and B, Two New Bohemamine Derivatives Possessing Ergothioneine Moiety from a Marine-Derived <i>Streptomyces spinoverrucosus</i> Discovery of New Bohemamines and Synthesis of <scp>Methylene‐Bridged</scp> Chimeric Derivatives through Natural Product Chimera Strategy Daryamide Analogues from a Marine-Derived <i>Streptomyces</i> species Daryamide Analogues from a Marine-Derived Streptomyces species Isolation, structure elucidation and racemization of (+)- and (−)-pratensilins A–C: unprecedented spiro indolinone-naphthofuran alkaloids from a marine Streptomyces sp. Isolation, structure elucidation and racemization of (+)- and (−)-pratensilins A–C: unprecedented spiro indolinone-naphthofuran alkaloids from a marine Streptomyces sp.