Discovery of Diverse Esterified seco-Polycyclic Polyprenylated Acylphloroglucinols from Two Species of Hypericum Linn. and Their Lipid-Lowering Effect
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Hyperesternoids A-K (1-11, respectively), 11 unique esterified seco-PPAPs (seco-polycyclic polyprenylated acylphloroglucinols) with three types of scaffold systems, 5/6 bicyclic (1-3), 5/7/6 tricyclic (4-6), and 5/6/6 tricyclic (7-11), were isolated from two p... ...