Hyparillums A and B: polycyclic polyprenylated acylphloroglucinols from Hypericum patulum
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Hyparillums A (1) and B (2), two previously unidentified polycyclic polyprenylated acylphloroglucinols (PPAPs) with intricate architectures, were isolated from Hypericum patulum Thunb. Hyparillum A was the first PPAP with eight-carbon rings based on an unprece... ...
