Amurensins B (2), C (3) and J (10) were the first naturally occurring resveratrol trimers and tetramer with a cis dihydrobenzofuran moiety.

• 在Amurensins B(2)，C(3)，J(10)的结构中都具有一个顺式苯骈二氢呋喃环，它们是首次发现的具顺式苯骈二氢呋喃环的天然低聚?类化合物。