The study of coumarins and some flavonoids from ageratum conyzoides leaves / Srunya Vajrodaya = การศึกษาสารคูมารินและฟลาโวนอยด์บางชนิด ในใบสาบแร้งสาบกา / สรัญญา วัชโรทัย
By means of chromatographic and crystallization techniques, a simple coumarin and two flavones i.e. eupalestin and 5’methoxy-nobiletin were isolated from the leaves of Ageratum conyzoides Linn. The physical and chemical properties of these compounds were studies.