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One novel p‐terphenyl compound, named vialisyl A (1), was isolated from the fruiting bodies of Thelephora vialis, together with six known compounds, ganbajunin B (2), phenylacetic acid (3), a mixture of ganbajunins D (4) and E (5), and vialinins A (6) and B (7). Their structures were established by extensive analysis of spectroscopic data (including 1H‐ and 13C‐NMR, HSQC, HMBC, 2D‐INADEQUATE) as well...
Decision tree induction is an important way of learning rules from examples. Due to the NP-hard problem, heuristic algorithms play a crucial role for generating short decision trees. This paper investigates the comparison between two heuristic algorithms in decision tree generation for the capacity of resisting noise. One heuristic is the well-known ID3 while the other is our previously proposed....
Three degraded limonoids, dysodensiols A–C (1–3), and three sesquiterpenoids, dysodensiols D–F (4–6), along with 17 known compounds, were isolated from the twigs and leaves of Dysoxylum densiflorum. The structures of compounds 1–6 were established on the basis of extensive spectroscopic analysis.
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