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유승조(Seung Jo Yoo),송경식(Kyung Shik Song),곽종환(Jong Hwan Kwak),한병훈(Byung Hoon Han),류재하(Jae Ha Ryu) 한국생약학회 1989 생약학회지 Vol.20 No.3
From the root of Rhamnella frangulioides(=Microrhamnus frangulioides), three compounds (Comp. I ; mp 140∼142°, Comp. II; mp 196°, Comp. III ; mp 136∼138°) were isolated by silica gel column chromatographic purification which were identified as β-sitosterol, chrysophanol, 1-methyl-2-carboxymethyl-3-methoxy-4, 8-dihydroxy anthraquinone, respectively, by spectral analysis.