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  • Title: [Chemical constituents of Cynanchum chinense R. Br].
    Author: Li C, Gou Z, Yang Y, Zhang C.
    Journal: Zhongguo Zhong Yao Za Zhi; 1999 Jun; 24(6):353-5, 383. PubMed ID: 12212028.
    Abstract:
    OBJECTIVE: To investigate the chemical constituents in the aerial part of Cynanchum chinense. METHOD: The chemical constituents were extracted with solvent and separated by column chromatography. The structures were identified by spectral methods: RESULT: The structures were identified as 7-O-alpha-L-rhamnopy-ranosyl-kaempferol-3-O-alpha-L-rhamnopyranoside, 7-O-alpha-L-rhamnopy-ranosyl-kaempferol-3-O-beta-D-glucopyranoside and 7-O-alpha-L-rhamnopyr-anosylkaempferol-3-O-beta-D-glucopyranosyl(1-->2)- beta-D-glucopyranoside. CONCLUSION: All the three compounds were separated from C. chinense for the first time.
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