Fig. 4From: Phytochemicals and potential health effects of Sambucus williamsii Hance (Jiegumu)Chemical structures of lignans in S. williamsii with representative structures: neolignans with carbon linkages between C8–O–C3′/C7–O–C4′, C8–C3′/C7–O–C4′, and C8–O–C4′Back to article page