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1 .     platycodin-D prosapogenin /polygalacin-D2 prosapogenin
    ÏàËÆ¶È:50%
Chemical & Pharmaceutical Bulletin          1978          26          674-677
Structures of Polygalacin-D and -D2, Platycodin-D and -D2, and Their Monoacetates, Saponins isolated from Platycodon grandiflorum A. DC., determined by Carbon-13 Nuclear Magnetic Resonance Spectroscopy
HIROSHI ISHII,KAZUO TORI,TAKEHIKO TOZYO and YOHKO YOSHIMURA
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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