Two new ursane-type nortriterpenes from Lonicera macranthoides and their iNOS-inhibitory activities
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The flower buds of Lonicera macranthoides (Shan Yin-Hua), represent an important traditional Chinese medicine and food ingredient. A phytochemical investigation of the 70% EtOH extract of the flower buds of L. macranthoides resulted in the isolation of 12 trit... ...