Five new coumarins named nordenletin (1), oxanordentatin (3), oxaclausarin (4), seselino (6), and seselinol isovalerate (8) were isolated from the roots of Citrus hassaku (Rutasceae) and their structures were elucidated on the basis of spectrometric analyses.
Five new coumarins named nordenletin (1), oxanordentatin (3), oxaclausarin (4), seselino (6), and seselinol isovalerate (8) were isolated from the roots of Citrus hassaku (Rutasceae) and their structures were elucidated on the basis of spectrometric analyses.