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supported by a program for New Century Excellent talents in University from MOE(No.NCET-08- 0925);a grant from the Natural Science Foundation of Yunnan Province(No.2007B021M);a grant from Yunnan University(No.2007Q003A)
Three new monophenanthrene compounds were isolated from an acetone extract of the tubers of Monomeria barbata Lindl. (Orchidaceae).Using spectroscopic methods,the structures of compounds 1-3 were determined as 1,4,7-t...