Objective: To study the chemical constituents of Ervatamia hainanensis.
Method: The compounds were separated and purified by column chromatography with silica gel, and identified by IR, MS, NMR and 2D-NMR.
Result: Five compounds were identified as I (isolariciresinol 9-O-beta-D-glucopyranoside), II (cycloartenol), III (beta-amyrin acetate), IV (beta-sitosterol), V (daucosterol), respectively.
Conclusion: All the compounds were isolated from this plant for the first time.
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