Amurensin A is an oligostilbene isolated from the roots of Vitis amurensis. It is a partially oxidized resveratrol dimer with a C8-C8' connection.Natural stilbenes: an overview. Tao Shen, Xiao-Ning Wang and Hong-Xiang Lou, Nat. Prod. Rep., 2009, 26, pages 916-935,

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