[Structures of spirasine IV, spirasine IX and spirasine XI, three new diterpene alkaloids from Spiraea japonica L. f. var. fortunei (phanchon) Rehd].
D000470:Alkaloids / Q000302:isolation & purification*; D055598:Chemical Phenomena; D002621:Chemistry; D004224:Diterpenes / Q000302:isolation & purification*; D010946:Plants, Medicinal / Q000032:analysis*
D000470:Alkaloids; D004224:Diterpenes; C048954:spirasine XI; C048953:spirasine IX; C048952:spirasine IV