Vertirhodins A-F, C-Linked Pyrrolidine-Iminosugar-Containing Pyranonaphthoquinones from Streptomyces sp. B15-008.

Six novel pyranonaphthoquinones, vertirhodins A–F (1–6), were discovered from a soil-derived Streptomyces sp. B15-008. Their chemical structures and absolute configurations were determined using nu...