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Abstract
Two new apianen lactones, named as guanyeliaoine I (1) and guanyeliaoine II (2), have been isolated along with seven known compounds from Polygonum perforliatum L. (Chinese name “Guanyeliao”, Berberidaceae). Their structures were deduced on the basis of spectral data and chemical methods.
Acknowledgements
This work was supported by the National Natural Science Foundation of China, No. 29972017.