نتایج جستجو برای: spirolactone
تعداد نتایج: 64 فیلتر نتایج به سال:
A novel spiro-lanostane (abiesatrine A, 1) was isolated from the aerial parts of Abies georgei together with 9 new (abiesatrines B-J, 2-10) and 10 known triterpenes (11-20). The new structures were established by the extensive analysis of their spectroscopic data. The configuration of 1, featuring a unique spirolactone formed by C-13 and C-23 via oxygen-bridge, was confirmed by X-ray crystallog...
Spirolactone of xanthene. I. A novel product from the reaction of .ALPHA.-naphthol with oxalic acid.
Biomarker is the measurable change associated with a physiological or pathophysiological process. Unlike blood which has mechanisms to keep the internal environment homeostatic, urine is more likely to reflect changes of the body. As a result, urine is likely to be a better biomarker source than blood. However, since the urinary proteome is affected by many factors, including diuretics, careful...
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