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Four known sesquiterpene alcohols, i.e., 1–4, ten triterpene alcohols, i.e., 5–14, and four triterpene acids, i.e., 15–18, were isolated from the MeOH extract of Canarium ovatum resin (elemi resin). Upon evaluation of the previously described compounds 1–18 on the melanogenesis in B16 melanoma cells induced with α‐melanocyte‐stimulating hormone (α‐MSH), three sesquiterpene alcohols, i.e., cryptomeridiol...
Nine cyclic diarylheptanoids, 1–9, including two new compounds, i.e., 9‐oxoacerogenin A (8) and 9‐O‐β‐D‐glucopyranosylacerogenin K (9), along with three acyclic diarylheptanoids, 10–12, and four phenolic compounds, 13–16, were isolated from a MeOH extract of the bark of Acer nikoense (Aceraceae). Acid hydrolysis of 9 yielded acerogenin K (17) and D‐glucose. Two of the cyclic diarylheptanoids, acerogenin...
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