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Datura metel L. (D. metel) is one well-known folk medical herb with wide application and also the most abused plants all over the world, mainly for spiritual or religious purpose, over-dosing of which often produces poisonous effects. In this study, mice were orally administered with the extract of D. metel once a day at doses for 10 mg/kg and 40 mg/kg for consecutive 4 days, 1H NMR based metabolomics...
Two alkaloid triterpenoids formulated as C26H35NO3 (1) and C30H45NO2 (2) were isolated from the timer tree Aphanamixis grandifolia. The structure of 1 and 2 was determined by IR, HRESIMS, 1D, and 2D-NMR. Compound 1 was confirmed by X-ray single crystal diffraction. Compound 1 crystallizes in the monoclinic, space group C2 with unit cell parameters a = 53.195(4) Å, b = 7.6339(8) Å, c = 11.202(2) Å,...
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