Abstract
Two new nortriterpenoids named daqingshones A (1) and B (2), along with two known ganderic acids (3 and 4), were isolated from the fruiting bodies of Ganoderma daqingshanense. Their structures were elucidated by spectroscopic data including MS, 1D and 2D NMR. Compound 2 exhibited weak anti-acetylcholinesterase (AChE) activity with IC50 value of 39.2μM.
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