Two new lignans, 3,4,4'-trihydroxy-3',9-dimethoxy-9,9'-epoxylignan (1), 3,4'-dihydroxy-3',4, 9-trimethoxy-9,9'-epoxylignan (2), together with one known compound, 4,4'-dihydroxy-3,3',9-trimethoxy-9,9'-epoxylignan (3), were isolated from the 95 % EtOH extract of Viburnum foetidum. The structures of
The 70% aqueous acetone extract of the aerial part of Viburnum foetidum var. foedidum afforded four new lignans (1-4) together with six known ones. The structures of the four new compounds were elucidated on the basis of 1D (dimensional), 2D-NMR, and mass spectral analysis. The structure of compound