石防风素 1. Result:Seven compounds were identified as imperatorin, deltoin, columbianadin,β-sitosterol, scopoletin, (+)-trans-decursidinol and daucosterol. 结果:从紫花前胡茎叶中分得 7个成分 ,鉴定为欧前胡素 ,石防风素 ,哥伦比亚内酯 ,β 谷甾醇 ,东莨菪内酯 ,(+) trans decursidinol和胡萝卜...