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Four new benzofurans from seeds of Styrax perkinsiae.

Four new benzofurans trans-5-(3-hydroxypropyl)-7-methoxy-2-[2,3-dihydro-3-Hydroxymethyl-7- meth oxygen-2-(3,4-methylenedioxyphenyl)-benzofuran-5-yl]benz ofuran exhibited cytotoxic activity in vitro using two breast cancer cell lines MCF-7 and MDA-MB-231.
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Chaetocochins A-C, epipolythiodioxopiperazines from Chaetomium cochliodes.

Three new epipolythiodioxopiperazines, chaetocochins A (1), B (2), and C (3), along with dethio-tetra (methylthio) chetomin (4) and chetomin (5), were isolated from the ethyl acetate extract of the…
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Sesterterpenoids, terretonins A-D, and an alkaloid, asterrelenin, from Aspergillus terreus.

Four new sesterterpenoids, terretonins A-D (1-4), and a new alkaloid, asterrelenin (5), together with five known compounds, were isolated from the ethyl acetate extract of a solid-state fermented…
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Chemical study on Cyathula officinalis Kuan

Four new compounds, 4-[(1-ethoxy-2-hydroxy)ethyl]phenol (1), 2,3-isopropylidene cyasterone (2), 24-hydroxycyasterone (3) and 2,3-isopropylidene isocyasterone (4), together with fourteen known…
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Steroidal saponins from Myriopteron extensum and their cytotoxic activity.

Two new steroidal saponins were isolated from the whole plants of Myriopteron extensum (Wight) and exhibited significant cytotoxicity against eight cancer cell lines with a mean GI value of 0.346 microg/mL.
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Three new limonoids from Cipadessa cinerascens.

Three new limonoids, cipadesins D--F (1--3), together with 8,15-dihydroxy-13E-labdane, beta-sitosterol and beta-daucosterol, were isolated from the leaves and bark of Cipadessa cinerascens. Their…
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A novel alkaloid from Mitrephora maingayi

A novel alkaloid, maingayinine, together with dicentrinone, dicentrinene, L-2-O-methyl-chiro-inositol, allantoin, glaucine, N-phenyl-2-naphthylamine, terephthalic acid and ayanin, was isolated from…
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Glycosides from Roots of Cyathula officinalis Kuan

To search for new and bioactive compounds from traditional Chinese medicines, a new glycoside, 3-O-[alpha-L-rhamnopyranosyl-(1 -> 3)-(n-butyl-beta-D-glucopyranosiduronate)]-28-O-beta-D-glucopyranosyl…
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[Studies on the chemical constituents of Pseudotsuga sinensis].

Compounds III and VI are new compounds isolated from P. sinensis for the first time based on the analysis of spectral data of IR, UV, MS, 1D and 2D-NMR.
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A New Sesquiterpene Glucoside from Erigeron Breviscapus

A new sesquiterpene glucoside, erigeside E, was isolated from the ethanol extracts of the whole plants of Erigeron breviscapus (Vant.) Hand-Mazz. Its structure was elucidated on the basis of spectral…
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