Collectively, this evidence also assigned the structures of the major constituents, 10 and 17, Compound 9 was purified from the phloroglucinolysis products of 16, and was identified as a phloroglucinol trapped A-type dimer, an assignment supported by its molecular formula C36H28O15 as confirmed by the (+)-HRESIMS peak at 701.1546 [M + H] + and the C NMR data (Table ).