A new biphenyl compound: 5-aldehyde-4'-hydroxy-2,2'-dimethoxybiphenyl (), along with 11 known phenolic compounds () were isolated from the stem of Linn. Their structures were established by spectroscopic methods, including MS, UV, IR, 1 D and 2 D NMR. Compounds and showed weakly cytotoxicity against MCF-7, with IC values of 32.5 and 37.3 µM, respectively.
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