Four new homoisoflavonoids from .

Four new homoisoflavonoids, 7-hydroxy-3-[hydroxy(4'-methoxyphenyl)methyl]-benzopyran-4-one (), (3)7, 8-dihydroxy-3-(4'-methoxybenzyl)-chroman-4-one (), 7-hydroxy-3-(2'-hydroxy-4'-methoxybenzyl)-chroman-4-one (), and 7-hydroxy-3-(2'-hydroxy-4'-methoxybenzyl)-benzopyran-4-one (), were isolated from the seeds of . The structures of new compounds were elucidated by MS and NMR spectra. Their absolute configurations were assigned using electronic circular dichroism spectrum.

Three new caryophyllene-type sesquiterpenoid glycosides from maxim.

Three new caryophyllene-type sesquiterpenoid glycosides were isolated from . Their structures were elucidated by comprehensive analysis of NMR and MS spectroscopic data. All the isolated compounds were evaluated for MCF-7/TAM cytotoxic activity.

Two undescribed steroids from (Wall.) W. Theob.

Two undescribed steroids, named (15 )-2,15-dihydroxypregna-1,4-dien-3,16-dione () and 2,15-dihydroxypregna-1,4,14-trien-3,16-dione (), were isolated from the aerial parts of ata (Wall.) W. Theob.

Two new norcassane-type diterpenoids from Hemsl.

Two new norcassane-type diterpenoids, named 6-hydroxy-bisnorcass-13-en-12-one () and 6-hydroxy-bisnorcassan-12-one (), were isolated from the seeds of Hemsl. The structures of compounds - were determined by extensive spectroscopic analysis. Two compounds exhibited immunosuppressive activity with the IC values of 19.