Five new dibenzocyclooctadiene lignans, R(+)-wuweizisu C ( 1), kadsuranin ( 2), R(+)-gomisin M (1) ( 3), R(+)-angeloylgomisin M (1) ( 4) and angeloylgomisin R ( 5) were isolated from the ethereal extract of roots and stems of KADSURA LONGIPEDUNCULATA Finet et Gagnep. Their structures were elucidated