Triterpenes from Root Bark of Shorea wangtianshuea
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Abstract
Five triterpenes were isolated from the ethanol extract of root bark of Shorea wangtianshuea and identified as friedelin, 2, 3-oxo-29-friedanoic acid,oleanolic acetate, oleanolic coffeate and betulinic acid respectively. Of them oleanolic coffcate display
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