A novel 2',4',6'-trioxygenated flavanone, named heteroflavanone C, all
yl)-5,7-dihydroxy-2',4',6'-trimethoxyflavanone, a new prenylflavonoid,
named cycloartocarpin A, a new long chain fatty ester, 9-hydroxytride
cyl decosanoate, and four known compounds, beta-sitosterol, betulin, u
rsolic acid and betulinic acid were isolated and characterized from th
e root bark of Artocarpus heterophyllus.