Chemical constituents from seeds of Ferula sinkiangensis Chemical constituents from stem bark of Styrax perkinsiae Inhibition of secoisolariciresinol diglucoside on lung cancer cell line A549 and its mechanism Inhibition of secoisolariciresinol diglucoside on lung cancer cell line A549 and its mechanism Chemical constituents from rhizomes of Coptis chinensis Chemical constituents from rhizomes of Coptis chinensis