Jirapast Sichaem และ Santi Tip-pyang. (2009) Chemical constituents from the roots of Nauclea orientalis (L.) L. Chulalongkorn University:ม.ป.ท.Jirapast Sichaem และ Santi Tip-pyang. 2009. Chemical constituents from the roots of Nauclea orientalis (L.) L. ม.ป.ท.:Chulalongkorn University;Jirapast Sichaem และ Santi Tip-pyang. Chemical constituents from the roots of Nauclea orientalis (L.) L. ม.ป.ท.:Chulalongkorn University, 2009. Print.