Natural Product Research and Development, Volume 23, Issue 6,2011, Pages 1160-1162,1166, doi:10.3969/j.issn.1001-6880.2011.06.041
Natural Product Research and Development, Volume 23, Issue 6,2011, Pages 1099-1102, doi:10.3969/j.issn.1001-6880.2011.06.027
Natural Product Research and Development, Volume 23, Issue 6,2011, Pages 1127-1132, doi:10.3969/j.issn.1001-6880.2011.06.034
Natural Product Research and Development, Volume 23, Issue 6,2011, Pages 1151-1155, doi:10.3969/j.issn.1001-6880.2011.06.039
Natural Product Research and Development, Volume 23, Issue 6,2011, Pages 1144-1147, doi:10.3969/j.issn.1001-6880.2011.06.037