Lin, Y. L.Y. L.LinChen, Y. L.Y. L.Chen郭悅雄Kuo, Yueh-HsiungYueh-HsiungKuo2009-02-212018-07-102009-02-212018-07-101993http://ntur.lib.ntu.edu.tw//handle/246246/137359en-USTwo New Coumaronochromone Derivatives, Oblongin and Oblonginol from the Roots of Derris Oblonga Benthjournal article