E.M. Suleimenov; R.A.Jose; S.B.Rakhmadieva; W.De Borggraeve; W.Dehaen
(2012-07-02)
Raw material of Senecio viscosus L. (Compositae) first yielded the pyrrolizidine alkaloid senecionine in 0.06–0.075%
yield [1] and then the alkaloids squalidine and S-F were isolated by chromatography and their structures ...