From the roots of Salvia przewalskii Maxim,two new phenolic acids,przewalskinic acid B(1) and C (Ⅱ)were isolated. Through the extensive analysis of spectras,their structures were elucidated as ?-isoferuloxyl-malconic acid(I) and a-feruloxylmalconic acid(Ⅱ).
Lu Xuezho;Xu Wenho;Shen Jixing.
The isolation and structures of przewalskinic acid B and C[J]. Chinese Pharmaceutical Journal, 1995, 30(S1): 5-6
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