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[摘要]:From the fruits of Pieris formosa, four new highly acylated 3,4-secograyanane diterpenoids, secorhodomollolides E-H (1-4, resp.), along with two known ones, secorhodomollolides C and D (5 and 6, resp.), were obtained. Their structures were established mainly by spectroscopic methods, including 1D- and 2D-NMR spectroscopy, and mass spectrometry. |
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