Natural Product Research and Development, Volume 24, Issue 5,2012, Pages 698-701, doi:10.3969/j.issn.1001-6880.2012.05.028
Natural Product Research and Development, Volume 24, Issue 5,2012, Pages 663-667, doi:10.3969/j.issn.1001-6880.2012.05.021
Natural Product Research and Development, Volume 24, Issue 5,2012, Pages 614-617, doi:10.3969/j.issn.1001-6880.2012.05.009
Natural Product Research and Development, Volume 24, Issue 5,2012, Pages 682-686, doi:10.3969/j.issn.1001-6880.2012.05.025
Natural Product Research and Development, Volume 24, Issue 5,2012, Pages 627-630,643, doi:10.3969/j.issn.1001-6880.2012.05.013