Natural Product Research and Development, Volume 23, Issue 4,2011, Pages 670-674,725, doi:10.3969/j.issn.1001-6880.2011.04.019
Natural Product Research and Development, Volume 23, Issue 4,2011, Pages 767-775,788, doi:10.3969/j.issn.1001-6880.2011.04.041
Natural Product Research and Development, Volume 23, Issue 4,2011, Pages 684-688, doi:10.3969/j.issn.1001-6880.2011.04.022
Natural Product Research and Development, Volume 23, Issue 4,2011, Pages 643-646, doi:10.3969/j.issn.1001-6880.2011.04.011
Natural Product Research and Development, Volume 23, Issue 4,2011, Pages 689-692,708, doi:10.3969/j.issn.1001-6880.2011.04.023