“…Additionally, 11 compounds of previously known structures were identified as puerarol (2) (Lee et al, 1994), daidzein (3) (Baek et al, 2009), formonetin (4) (Kinjo et al, 1987), daidzin (5) (Baek et al, 2009), ononin (6) (Baek et al, 2009), 4',8-dimethoxyisoflavone 7-O-β-D-glucose (7) (Kaneko et al, 1988), genistein (8) (Kinjo et al, 1987), biochanin A (9) (Baek et al, 2009), sissotrin (10) (Lewis et al, 1998), puerol B (11) (Nohara et al, 1993), and puerol B 2-O-β-D-glucose (12) (Baek et al, 2009), respectively, by analysis of their NMR data and comparison of their physical and spectral data with those of literature values.…”