GC/MS and GC/MS/MS techniques were employed to describe the characteristics of biomarker assem-blages in two sets of hyd......

从蔷薇科绣线菊属植物急尖绣线菊(Spiraea japonica var. acuta Yu)的根部分离得到6个二萜生物碱,经光谱分析,其中5个分别鉴定为 s......