摘要
Three dihydrochalcones derivatives 1-3, flavone 4 and phenanthrene derivative 5 were isolated, together with 9 known compofinds, from the air-dried root bark of Fissistigma bracteolatum Chatterjee. Their structures were determined by spectroscopic （NMR, MS） and chemical methodologies.
Three dihydrochalcones derivatives 1-3,flavone 4 and phenanthrene derivative 5 were isolated,together with 9 known compounds,from the air-dried root bark of Fissistigma bracteolatum Chatterjee.Their structures were determined by spectroscopic(NMR,MS) and chemical methodologies.
